CN204344104U - Plate is visited in a kind of rectangular measurement - Google Patents
Plate is visited in a kind of rectangular measurement Download PDFInfo
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- CN204344104U CN204344104U CN201420663502.8U CN201420663502U CN204344104U CN 204344104 U CN204344104 U CN 204344104U CN 201420663502 U CN201420663502 U CN 201420663502U CN 204344104 U CN204344104 U CN 204344104U
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Abstract
The utility model relates to petroleum exploration and well logging field, disclose a kind of rectangular measurement and visit plate, comprise be located at visit plate top connector portions, be located at visit epimere in plate for fix with slurry tank fixed part, be located at electrode section below fixed part, described connector portions is provided with data communication joint, described electrode section is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, and described galvanic electrode is connected respectively by the pin that wire is different from described data communication joint with voltage electrode.Rectangular measurement of the present utility model visit plated construction small and exquisite, be easy to carry without the need to Alternating Current Power Supply, make simple, with low cost.
Description
Technical field
The utility model relates to petroleum exploration and well logging field, particularly relates to a kind of rectangular measurement and visits plate.
Background technology
In well logging industry, by feeding certain electric current to mud, making diverse location in mud produce potential difference, thus calculating the resistivity of mud.Mud resistivity, the explanation for geologic logging data provides reliable reference data.In prior art, measure mud resistivity and mainly adopt slurry tank method, need to be equipped with huge land-based AC during measurement to power instrumentation and testing equipment box, described measureing equipment case needs artificial wiring to carry out measurement mud resistivity, operation more complicated, wiring makes mistakes and measurement result can be caused not right, even causes big current to cause personal injury, and measure the mud resistivity value of result needs under artificial calculating or inspection information just can obtain normal temperature obtained, not intuitively easy.
Secondly, the container holding mud is the slurry tank that inside wall is embedded with electrode, and mud is a kind of corrosive liquids being mixed with number of chemical material, and after finishing using, the cleaning of slurry tank is more difficult, if cleaning force is spent greatly, easily causes the damage of electrode; Inevitably, after repeatedly using, there is electrode polarization phenomenon, reduce certainty of measurement, affect measurement quality in slurry tank.
To sum up, research and develop a miniaturization, handling safety, be easy to carry, mud resistivity measurement mechanism that certainty of measurement is high, seem and be even more important.
Utility model content
For overcoming the deficiencies in the prior art, the utility model object is: provide a kind of rectangular measurement to visit plate, the utility model compact structure, easy and simple to handle, certainty of measurement is high.
In order to solve the technical problem in background technology, the utility model provides a kind of rectangular measurement and visits plate, comprise be located at visit plate top connector portions, be located at visit epimere in plate for fix with slurry tank fixed part, be located at electrode section below fixed part, described connector portions is provided with data communication joint, described electrode section is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, and described galvanic electrode is connected respectively by the different pin of wire from described data communication joint with voltage electrode.
Preferably, the width of described fixed part becomes large compared with the width above it, the both sides of fixed part are provided with clamping limb, form the clamping gap for clamping slurry tank tank mouth between the lower end of described clamping limb and described fixed part, and the width of bottom, described clamping gap is not less than the width on clamping top, gap.
Particularly, described data communication joint is USB or HDMI.
Particularly, described galvanic electrode comprises the first galvanic electrode and second galvanic electrode of sheet, voltage electrode comprises the first voltage electrode and second voltage electrode of sheet, the first galvanic electrode, the first voltage electrode, the second voltage electrode and the second galvanic electrode is provided with successively from the upper end of electrode section to lower end, a certain distance is provided with between described first voltage electrode and the second voltage electrode, the size of any two electrodes is identical, and any one electrode is attached at the spy plate positive and negative of sustained height through visiting plate decile.
Alternatively, described galvanic electrode comprises the first galvanic electrode and second galvanic electrode of sheet, voltage electrode comprises the first voltage electrode and second voltage electrode of sheet, the first galvanic electrode, the first voltage electrode, the second voltage electrode and the second galvanic electrode is provided with successively from the upper end of electrode section to lower end, a certain distance is provided with between described first voltage electrode and the second voltage electrode, the size of any two electrodes is identical, and any one electrode decile is attached at the spy plate positive and negative of sustained height and is provided with the hole of the electrode slice running through sustained height on positive and negative.
Preferably, the spacing range between described first voltage electrode and the second voltage electrode is 2.5-4 times of electrode horizontal length.Preferably, the horizontal length of any one electrode is 0.7-0.9 times of slurry tank internal diameter.
Preferably, the lower end of described electrode section is near being arranged at the lower end visiting plate, and the width of electrode section lower end becomes large compared with the width on top, visits plate lower surface and is provided with rounding.
Alternatively, described electrode section is provided with temperature pick up between the first voltage electrode and the second voltage electrode, the two ends of described temperature pick up are connected with two pins of data communication joint by wire.
Particularly, described fixed part is less than the degree of depth of slurry tank with the spacing visiting plate lower end, the width on top, described clamping gap is not more than the tank wall thickness of slurry tank, the width of bottom, described clamping gap is not less than the tank wall thickness of slurry tank, and the horizontal range between two clamping limb lower ends equals the tank mouth external diameter of slurry tank.
Preferably, the inside diameter ranges of described slurry tank is 15-30mm.
Principle of the present utility model 1. supplies certain electric current to mud, to make in mud diverse location produce potential difference, can computation of mud resistance value according to the voltage and current signal gathered, then according to the size of slurry tank and the electrode size visited on plate, according to formula
can computation of mud resistivity; 2. the electrode in outside is that mud is powered, two electrode measurement electrical potential differences of inner side, and the reasonable layout of electrode ensure that the accuracy of measurement; 3. the data communication joints such as USB or HDMI are adopted, without the need to complex operations such as wiring; 4. temperature pick up be arranged so that while test resistance rate, the measurement of fluid temperature can be carried out in real time; 5. mud resistivity spy plate is provided with the clamping limb for clamp slurry tank, making spy plate insert slurry tank time slurry tank carries out measuring can operate by taken away from desktop, improves the convenience measured; 6. spy plate and slurry tank can be used as single use, solve a difficult problem for cleaning.
Adopt technique scheme, the utility model has following beneficial effect: 1. adopt the data communication joints such as USB or HDMI, and without the need to wiring, easy and simple to handle being not easy is made mistakes; 2. visit plated construction light and handy, without the need to Alternating Current Power Supply, be easy to carry; 3. visit on plate and be provided with temperature pick up, measuring tempeature while measurement mud resistivity, conveniently carry out the resistivity conversion at demarcation temperature; 4. spy plate is provided with the clamping limb for clamp slurry tank, and slurry tank can be followed and be visited plate taken away from desktop, measures easy and simple to handle; 5. the measurement mechanism manufacture craft visiting plate and slurry tank is simple, cost-saving; 6. visiting plate and slurry tank can single use, avoids because Reusability causes electrode polarization or do not wash clean clearly and affect certainty of measurement.In sum, it is light and handy that plated construction is visited in rectangular measurement of the present utility model, and make simple, easy to operate, certainty of measurement is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that rectangular that the utility model embodiment provides measures the structural representation visiting plate;
Fig. 2 is that rectangular that the utility model embodiment provides measures the stereogram visiting plate;
Fig. 3 be the utility model embodiment provide with rectangular measure visit plate with the use of the structural representation of slurry tank;
Fig. 4 is that rectangular measurement that the utility model embodiment provides visits plate and the slurry tank schematic diagram with the use of state.
In figure, Reference numeral corresponds to: 1-electrode section, 11-first galvanic electrode, 12-first voltage electrode, 13-second voltage electrode, 14-second galvanic electrode, 2-rounding, 3-connector portions, 31-data communication joint, 4-fixed part, 41-clamping limb, 42-clamps gap, 5-slurry tank, 6-temperature pick up.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of the utility model protection.
The rectangular structural representation measuring spy plate that embodiment 1: Fig. 1 provides for the utility model embodiment, can be clear that in figure that described rectangular spy plate of measuring comprises the connector portions 3 be located at and visited plate top, be located at visit epimere in plate for the fixed part 4 fixing with slurry tank 5, be located at the electrode section 1 below fixed part 4, described connector portions 3 is provided with data communication joint 31, described electrode section 1 is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, described galvanic electrode is connected respectively by the pin that wire is different from described data communication joint 31 with voltage electrode, in the present embodiment, described data communication joint 31 is USB joint.
Preferably, the width of described fixed part 4 becomes large compared with the width above it, the both sides of fixed part 4 are provided with clamping limb 41, the clamping gap 42 for clamping slurry tank 5 tank mouth is formed between the lower end of described clamping limb 41 and described fixed part 4, the width of bottom, described clamping gap is not less than the width on clamping top, gap 42, when visiting plate and stretching in the mud to be measured in slurry tank, described clamping limb is clamped the tank skin of slurry tank and slurry tank can be made to follow spy plate taken away from desktop.
Particularly, described galvanic electrode comprises the first galvanic electrode 11 and the second galvanic electrode 14 of sheet, voltage electrode comprises the first voltage electrode 12 and the second voltage electrode 13 of sheet, four electrodes are parallel to each other, the first galvanic electrode 11 is provided with successively from the upper end of electrode section 1 to lower end, first voltage electrode 12, second voltage electrode 13 and the second galvanic electrode 14, be provided with a certain distance between described first voltage electrode 12 and the second voltage electrode 13 to influence each other to prevent the electric field between two electrodes, the size of any two electrodes is identical, any one electrode is attached at the spy plate positive and negative of sustained height through visiting plate decile, electromotive force in the mud of energising is uniformly distributed.
In the present embodiment, the internal diameter of slurry tank 5 is preferably 20mm, the horizontal length of four electrodes is preferably 16mm, spacing between described first voltage electrode 12 and the second voltage electrode 13 is preferably 40mm, spacing between described first galvanic electrode 11 and the first voltage electrode 12 is preferably 10mm, and the spacing between described second voltage electrode 13 and the second galvanic electrode 14 is preferably 10mm.
Preferably, the lower end of described electrode section 1 is near being arranged at the lower end visiting plate, the width of electrode section 1 lower end becomes large compared with the width on top, visit the width that plate lower end width is greater than electrode, mud is reduced to the impact force of electrode when visiting when plate inserts mud, effectively prevent from visiting front and back in slurry tank, plate lower end to rock simultaneously, visit plate lower surface and be provided with rounding 2, when visiting plate and inserting in mud to be measured, the width of electrode section 1 lower end is greater than the length of electrode, the resistance that plate is subject to is visited when rounding 2 can reduce to insert in mud, the electrode of mud to electrode section 1 lower end is during insertion avoided to cause damage.
Alternatively, described electrode section 1 is provided with temperature pick up 6 between first voltage electrode 12 and the second voltage electrode 13, the two ends of described temperature pick up 6 are connected with two pins of USB joint by wire, when visiting plate and inserting in mud to be measured, temperature pick up 6 to be positioned in the middle part of mud and fully to contact with mud.
Particularly, described fixed part 4 and the spacing visiting plate lower end are less than the degree of depth of slurry tank 5, the width on top, described clamping gap 42 is not more than the tank wall thickness of slurry tank 5, the width of bottom, described clamping gap 42 is not less than the tank wall thickness of slurry tank 5, and the horizontal range between two clamping limb 41 lower ends equals the tank mouth external diameter of slurry tank 5.
The rectangular structural representation measuring spy plate that embodiment 2: Fig. 1 provides for the utility model embodiment, can be clear that in figure that described rectangular spy plate of measuring comprises the connector portions 3 be located at and visited plate top, be located at visit epimere in plate for the fixed part 4 fixing with slurry tank 5, be located at the electrode section 1 below fixed part 4, described connector portions 3 is provided with data communication joint 31, described electrode section 1 is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, described galvanic electrode is connected respectively by the pin that wire is different from described data communication joint 31 with voltage electrode, data communication joint 31 in the present embodiment is HDMI joint.
Preferably, the width of described fixed part 4 becomes large compared with the width above it, the both sides of fixed part 4 are provided with clamping limb 41, the clamping gap 42 for clamping slurry tank 5 tank mouth is formed between the lower end of described clamping limb 41 and described fixed part 4, the width of bottom, described clamping gap is not less than the width on clamping top, gap 42, when visiting plate and stretching in the mud to be measured in slurry tank, described clamping limb is clamped the tank skin of slurry tank and slurry tank can be made to follow spy plate taken away from desktop.
Particularly, described galvanic electrode comprises the first galvanic electrode 11 and the second galvanic electrode 14 of sheet, voltage electrode comprises the first voltage electrode 12 and the second voltage electrode 13 of sheet, four electrodes are parallel to each other, the first galvanic electrode 11 is provided with successively from the upper end of electrode section 1 to lower end, first voltage electrode 12, second voltage electrode 13 and the second galvanic electrode 14, be provided with a certain distance between described first voltage electrode 12 and the second voltage electrode 13 to influence each other to prevent the electric field between two electrodes, the size of any two electrodes is identical, any one electrode decile is attached at the spy plate positive and negative of sustained height, and visiting the electrode slice that on plate, punching runs through on the spy plate positive and negative of sustained height, electromotive force in the mud of energising is uniformly distributed.
In the present embodiment, the internal diameter of slurry tank 5 is preferably 35mm, the horizontal length of four electrodes is preferably 22mm, spacing between described first voltage electrode 12 and the second voltage electrode 13 is preferably 55mm, spacing between described first galvanic electrode 11 and the first voltage electrode 12 is preferably 15mm, and the spacing between described second voltage electrode 13 and the second galvanic electrode 14 is preferably 15mm.
Preferably, the lower end of described electrode section 1 is near being arranged at the lower end visiting plate, the width of electrode section 1 lower end becomes large compared with the width on top, visit the width that plate lower end width is greater than electrode, mud is reduced to the impact force of electrode when visiting when plate inserts mud, effectively prevent from visiting front and back in slurry tank, plate lower end to rock simultaneously, visit plate lower surface and be provided with rounding 2, when visiting plate and inserting in mud to be measured, the width of electrode section 1 lower end is greater than the length of electrode, the resistance that plate is subject to is visited when rounding 2 can reduce to insert in mud, the electrode of mud to electrode section 1 lower end is during insertion avoided to cause damage.
Alternatively, described electrode section 1 is provided with temperature pick up 6 between first voltage electrode 12 and the second voltage electrode 13, the two ends of described temperature pick up 6 are connected with two pins of HDMI joint by wire, when visiting plate and inserting in mud to be measured, temperature pick up 6 to be positioned in the middle part of mud and fully to contact with mud.
Particularly, described fixed part 4 and the spacing visiting plate lower end are less than the degree of depth of slurry tank 5, the width on top, described clamping gap 42 is not more than the tank wall thickness of slurry tank 5, the width of bottom, described clamping gap 42 is not less than the tank wall thickness of slurry tank 5, and the horizontal range between two clamping limb 41 lower ends equals the tank mouth external diameter of slurry tank 5.
The rectangular structural representation measuring spy plate that embodiment 3: Fig. 1 provides for the utility model embodiment, can be clear that in figure that described rectangular spy plate of measuring comprises the connector portions 3 be located at and visited plate top, be located at visit epimere in plate for the fixed part 4 fixing with slurry tank 5, be located at the electrode section 1 below fixed part 4, described connector portions 3 is provided with data communication joint 31, described electrode section 1 is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, described galvanic electrode is connected respectively by the pin that wire is different from described data communication joint 31 with voltage electrode, the joint of data communication described in the present embodiment 31 is USB joint.
Preferably, the width of described fixed part 4 becomes large compared with the width above it, the both sides of fixed part 4 are provided with clamping limb 41, the clamping gap 42 for clamping slurry tank 5 tank mouth is formed between the lower end of described clamping limb 41 and described fixed part 4, the width of bottom, described clamping gap is not less than the width on clamping top, gap 42, when visiting plate and stretching in the mud to be measured in slurry tank, described clamping limb is clamped the tank skin of slurry tank and slurry tank can be made to follow spy plate taken away from desktop.
Particularly, described galvanic electrode comprises the first galvanic electrode 11 and the second galvanic electrode 14 of sheet, voltage electrode comprises the first voltage electrode 12 and the second voltage electrode 13 of sheet, four electrodes are parallel to each other, the first galvanic electrode 11 is provided with successively from the upper end of electrode section 1 to lower end, first voltage electrode 12, second voltage electrode 13 and the second galvanic electrode 14, be provided with a certain distance between described first voltage electrode 12 and the second voltage electrode 13 to influence each other to prevent the electric field between two electrodes, the size of any two electrodes is identical, any one electrode decile is attached at the spy plate positive and negative of sustained height, and visiting the electrode slice that on plate, punching runs through on the spy plate positive and negative of sustained height, electromotive force in the mud of energising is uniformly distributed.
In the present embodiment, the internal diameter of slurry tank 5 is preferably 15mm, the horizontal length of four electrodes is preferably 12mm, spacing between described first voltage electrode 12 and the second voltage electrode 13 is preferably 36mm, spacing between described first galvanic electrode 11 and the first voltage electrode 12 is preferably 10mm, and the spacing between described second voltage electrode 13 and the second galvanic electrode 14 is preferably 10mm.
Preferably, the lower end of described electrode section 1 is near being arranged at the lower end visiting plate, the width of electrode section 1 lower end becomes large compared with the width on top, visit the width that plate lower end width is greater than electrode, mud is reduced to the impact force of electrode when visiting when plate inserts mud, effectively prevent from visiting front and back in slurry tank, plate lower end to rock simultaneously, visit plate lower surface and be provided with rounding 2, when visiting plate and inserting in mud to be measured, the width of electrode section 1 lower end is greater than the length of electrode, the resistance that plate is subject to is visited when rounding 2 can reduce to insert in mud, the electrode of mud to electrode section 1 lower end is during insertion avoided to cause damage.
Alternatively, described electrode section 1 is provided with temperature pick up 6 between first voltage electrode 12 and the second voltage electrode 13, the two ends of described temperature pick up 6 are connected with two pins of USB joint by wire, when visiting plate and inserting in mud to be measured, temperature pick up 6 to be positioned in the middle part of mud and fully to contact with mud.
Particularly, described fixed part 4 and the spacing visiting plate lower end are less than the degree of depth of slurry tank 5, the width on top, described clamping gap 42 is not more than the tank wall thickness of slurry tank 5, the width of bottom, described clamping gap 42 is not less than the tank wall thickness of slurry tank 5, and the horizontal range between two clamping limb 41 lower ends equals the tank mouth external diameter of slurry tank 5.
Rectangular measurement of the present utility model is visited plated construction and is lightly easy to carry, the handset of the data communication interface that can match with same data communication joint with the use of, measure mud resistivity precision high, coordinate slurry tank to use can measure mud resistivity and real time temperature simultaneously, operation capable of being taken away from desktop, simple and convenient, measurement mechanism manufacture craft is simply cost-saving.
Above disclosedly be only several preferred embodiment of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (10)
1. plate is visited in a rectangular measurement, it is characterized in that, comprise the connector portions (3) be located at and visited plate top, be located at visit epimere in plate for the fixed part (4) fixing with slurry tank (5) and the electrode section (1) being located at fixed part (4) below, described connector portions (3) is provided with data communication joint (31), described electrode section (1) is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, described galvanic electrode is connected respectively by the different pin of wire from the data communication joint (31) in connector portions (3) with voltage electrode.
2. plate is visited in rectangular measurement as claimed in claim 1, it is characterized in that, the width of described fixed part (4) becomes large compared with the width above it, the both sides of fixed part (4) are provided with clamping limb (41), form the clamping gap (42) for clamping slurry tank (5) tank mouth between the lower end of described clamping limb (41) and described fixed part (4), the width of bottom, described clamping gap is not less than the width on clamping gap (42) top.
3. plate is visited in rectangular measurement as claimed in claim 1, and it is characterized in that, described data communication joint is USB or HDMI.
4. plate is visited in rectangular measurement as claimed in claim 1, it is characterized in that, described galvanic electrode comprises the first galvanic electrode (11) and second galvanic electrode (14) of sheet, voltage electrode comprises the first voltage electrode (12) and second voltage electrode (13) of sheet, the first galvanic electrode (11) is provided with successively to lower end from the upper end of electrode section (1), first voltage electrode (12), second voltage electrode (13) and the second galvanic electrode (14), a certain distance is provided with between described first voltage electrode (12) and the second voltage electrode (13), the size of any two electrodes is identical, any one electrode is attached at the spy plate positive and negative of sustained height through visiting plate decile.
5. plate is visited in rectangular measurement as claimed in claim 2, it is characterized in that, described galvanic electrode comprises the first galvanic electrode (11) and second galvanic electrode (14) of sheet, voltage electrode comprises the first voltage electrode (12) and second voltage electrode (13) of sheet, the first galvanic electrode (11) is provided with successively to lower end from the upper end of electrode section (1), first voltage electrode (12), second voltage electrode (13) and the second galvanic electrode (14), a certain distance is provided with between described first voltage electrode (12) and the second voltage electrode (13), the size of any two electrodes is identical, any one electrode decile is attached at the spy plate positive and negative of sustained height and is provided with the hole of the electrode slice running through sustained height on positive and negative.
6. plate is visited in rectangular measurement as claimed in claim 4, it is characterized in that, spacing range between described first voltage electrode (12) and the second voltage electrode (13) is 2.5-4 times of electrode horizontal length, and the horizontal length of any one electrode is 0.7-0.9 times of slurry tank (5) internal diameter.
7. plate is visited in rectangular measurement as claimed in claim 5, it is characterized in that, be provided with temperature pick up (6) between upper first voltage electrode (12) of described electrode section (1) and the second voltage electrode (13), the two ends of described temperature pick up (6) are connected with two pins of data communication joint (31) by wire.
8. plate is visited in rectangular measurement as claimed in claim 4, it is characterized in that, the lower end of described electrode section (1) is near being arranged at the lower end visiting plate, and the width of electrode section (1) lower end becomes large compared with the width on top, visits plate lower surface and is provided with rounding (2).
9. as plate is visited in the rectangular measurement in claim 2 as described in any one, it is characterized in that, described fixed part (4) is less than the degree of depth of slurry tank (5) with the spacing visiting plate lower end, the width on described clamping gap (42) top is not more than the tank wall thickness of slurry tank (5), the width of described clamping gap (42) bottom is not less than the tank wall thickness of slurry tank (5), and the horizontal range between two clamping limb (41) lower ends equals the tank mouth external diameter of slurry tank (5).
10., as plate is visited in the rectangular measurement in claim 1-9 as described in any one, it is characterized in that, the inside diameter ranges of described slurry tank (5) is 15-30mm.
Priority Applications (1)
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CN201420663502.8U CN204344104U (en) | 2014-11-07 | 2014-11-07 | Plate is visited in a kind of rectangular measurement |
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CN201420663502.8U CN204344104U (en) | 2014-11-07 | 2014-11-07 | Plate is visited in a kind of rectangular measurement |
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CN204344104U true CN204344104U (en) | 2015-05-20 |
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CN201420663502.8U Expired - Fee Related CN204344104U (en) | 2014-11-07 | 2014-11-07 | Plate is visited in a kind of rectangular measurement |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104500028A (en) * | 2014-11-07 | 2015-04-08 | 贝兹维仪器(苏州)有限公司 | Strip measuring exploration plate |
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2014
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104500028A (en) * | 2014-11-07 | 2015-04-08 | 贝兹维仪器(苏州)有限公司 | Strip measuring exploration plate |
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