CN104075930B - Sampling and stirring device - Google Patents
Sampling and stirring device Download PDFInfo
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- CN104075930B CN104075930B CN201410348734.9A CN201410348734A CN104075930B CN 104075930 B CN104075930 B CN 104075930B CN 201410348734 A CN201410348734 A CN 201410348734A CN 104075930 B CN104075930 B CN 104075930B
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Abstract
The invention discloses a sampling and stirring device. The sampling and stirring device comprises a baseplate and a fixed ring fixed to the baseplate, an eccentric wheel with both an inner ring and an outer ring, a first bearing, a second bearing, a sampling needle, an injection pump communicated with the upper end of the sampling needle, a first driving device used for driving the eccentric wheel to rotate and a second driving device used for driving the sampling needle to axially move along the second bearing, wherein the inner ring and the outer ring are eccentrically arranged, and the inner ring is circled to form the inner hole of the eccentric wheel; the inner circle and the outer circle of the first bearing are fixedly connected with the fixed ring and the outer ring of the eccentric wheel respectively, and the axes of the first bearing and the outer ring are superposed; the sampling needle penetrates the second bearing along the axis of the second bearing, can axially move along the second bearing and penetrates the inner circle of the second bearing, and the outer circle of the second bearing is fixedly connected with the inner ring of the eccentric wheel. Owing to the structural design of the sampling and stirring device, the problems that a sampling device and a stirring device adopt complicated instrument structures, are high in cost and need to be cleaned respectively to cause high consumption of a cleaning solution are solved.
Description
Technical field
The present invention relates to technical field of analytical instruments, more particularly, it relates to a kind of sampling agitating device.
Background technology
In medical analytical, need that sample or reagent are sampled and are stirred, it is general at present to be inhaled using sampler
Take and discharge sample or reagent, using agitating device to being released in dilution trap in or the sample or reagent of reaction cup stir
Mix, to guarantee the uniformity of solution and the accuracy of test structure.The sampling probe and puddler for finally taking sample is being respectively put into
Clean in special cleaning device.
At present, the sampler and agitating device in medical analytical instrument is separate, and as depicted in figs. 1 and 2, Fig. 1 is
The structural representation of sampler in prior art, Fig. 2 is the structural representation of agitating device in prior art.Sampler bag
The sebific duct of sampling probe, syringe pump and connection sampling probe and syringe pump is included, sample or reagent are drawn and discharged by syringe pump.Stirring
Device includes mixing arm, the stirring motor being fixed on mixing arm and paddle, and paddle rotation is driven by stirring motor during stirring
Turn to complete.Thus, sampler can only be discharged in dilution trap or reaction cup after pipette samples or reagent, agitating device can only
Mixing liquid in agitation and dilution groove or reaction cup, sampler and agitating device apparatus structure are complicated, high cost, and intersect
Using causing to report to the leadship after accomplishing a task seriously polluted, two covering devices need to be respectively washed, cleaning fluid consumption is very big, maintenance cost is high.
In sum, sampler and agitating device apparatus structure complexity high cost how to be efficiently solved and need to be distinguished clear
Wash down washing lotion consumption it is big the problems such as, be current those skilled in the art's urgent problem.
The content of the invention
In view of this, it is an object of the invention to provide a kind of sample agitating device, the structure of the sampling agitating device sets
Meter can efficiently solve sampler and agitating device apparatus structure complexity high cost and need to be respectively washed cleaning fluid consumption
Big the problems such as.
In order to achieve the above object, the present invention provides following technical scheme：
One kind sampling agitating device, including：
Base plate and the retainer ring being fixed on the base plate；
Eccentric wheel with inner ring and outer rings, the inner ring is with outer shroud eccentric setting and the inner ring surrounds the interior of eccentric wheel
Hole；
Clutch shaft bearing, the inner ring of the clutch shaft bearing and outer ring are consolidated respectively with the outer shroud of the retainer ring and the eccentric wheel
Fixed connection, and the dead in line of the axis of the clutch shaft bearing and the outer shroud；
Second bearing and sampling probe, the sampling probe passes through the second bearing and energy along the axis of the second bearing
Enough axial movements along the second bearing, the sampling probe passes through the inner ring of the second bearing and the outer ring of second bearing
It is fixedly connected with the inner ring of the eccentric wheel；
The syringe pump connected with the upper end of the sampling probe；
Drive the first driving means that the eccentric wheel is rotated and drive the sampling probe along the second bearing axial direction
The second mobile driving means.
Preferably, in above-mentioned sampling agitating device, the cleaning head with inlet and liquid outlet, the sampling probe are also included
Through the cleaning head inside and can slide up and down along the cleaning head.
Preferably, in above-mentioned sampling agitating device, the cleaning head includes that cleaning tank body and top have the cleaning of snap ring
Headgear, the cleaning headgear is fixedly connected with the inner ring and the cleaning tank body of the second bearing, and its snap ring and second
Bearing offsets, through hole of the sampling probe through the cleaning headgear.
Preferably, in above-mentioned sampling agitating device, also including the jump ring being arranged between the snap ring and second bearing.
Preferably, in above-mentioned sampling agitating device, the cleaning tank body is located at the lower section of the base plate.
Preferably, in above-mentioned sampling agitating device, the first driving means include the output shaft of motor and the motor
The belt wheel being fixedly connected and the belt for connecting the belt wheel and the eccentric wheel.
Preferably, in above-mentioned sampling agitating device, the motor and belt wheel are each attached on the base plate.
Preferably, in above-mentioned sampling agitating device, second driving means are specially telescoping cylinder.
Preferably, in above-mentioned sampling agitating device, also including the bracing frame that can fixedly mount the base plate.
Preferably, in above-mentioned sampling agitating device, also including the sebific duct of the upper end and syringe pump for connecting the sampling probe.
The sampling agitating device that the present invention is provided includes base plate, retainer ring, eccentric wheel, clutch shaft bearing, second bearing, sampling
Pin, syringe pump, sebific duct, first driving means and the second driving means.Wherein, retainer ring is fixed on base plate.Eccentric wheel has
Inner ring and outer rings, inner ring is with outer shroud eccentric setting and inner ring surrounds the endoporus of eccentric wheel, i.e. inner ring is mutually put down with the axis of outer shroud
Row rather than coincidence, eccentric wheel has endoporus, and inner ring surrounds its endoporus.The inner ring of clutch shaft bearing and outer ring respectively with retainer ring
It is fixedly connected with the outer shroud of eccentric wheel, the dead in line of the axis of clutch shaft bearing and the outer shroud, so realizes eccentric wheel and solid
Determine the rotation connection between ring so that eccentric wheel can be relatively rotated with retainer ring.Sampling probe passes through the inner ring of second bearing, i.e.,
The inner ring of second bearing can drive sampling probe to revolve round the sun around the axis of eccentric wheel, the inner ring of specific sampling probe and second bearing
Inwall with gap very little, or the snap ring with through hole can be set in the inner ring of second bearing, sampling probe through snap ring and
Its gap very little between snap ring；Can also second bearing inner ring it is circumferentially fixed with sampling probe, i.e. sampling probe can be along
The axial movement of second bearing and can not rotate relative to the inner ring of second bearing, sampling probe pass through along the axis of second bearing
Second bearing and can be fixedly connected with the inner ring of eccentric wheel along the axial movement of second bearing, the outer ring of second bearing,
The axis of two bearings and the dead in line of inner ring, the rotation for so realizing sampling probe relative to eccentric sheave connects.Sebific duct
The upper end of sampling probe and syringe pump are interconnected.First driving means can drive eccentric wheel to rotate, the second driving means energy
The second driving means for enough driving sampling probe to move axially along second bearing.Second bearing, first axle when wherein normally using
Holding should be along vertical direction with the axis of eccentric wheel.
Using the present invention provide sampling agitating device when, when being sampled can using the second driving means drive sampling
Pin is slided up and down along the axial direction of second bearing, when sampling probe drops to correct position by syringe pump pipette samples or examination
Agent, then the second driving means drive sampling probe slide up and down, when sampling probe slides into correct position by syringe pump discharge
Sample or reagent, with this sampling is completed.When stirring is needed, in the liquid for needing stirring, then sampling probe is stretched into first
By first driving means band movable eccentric wheel rotation, the axis of clutch shaft bearing and the dead in line of outer shroud, due to second bearing
Outer ring is fixedly connected with the inner ring of eccentric wheel, and outer shroud and inner race eccentricity are arranged, therefore second bearing is around inclined during eccentric wheel rotation
The axis revolution of heart wheel outer shroud, and sampling probe is through the inner ring of second bearing, therefore second bearing drives sampling probe around bias
Revolve round the sun to reach stirring liquid around the axis of eccentric wheel outer shroud in a liquid in the axis revolution of wheel outer shroud, the lower end of such sampling probe
The purpose of body.In summary, the sampling agitating device that the present invention is provided can realize the function of sampling and stir, and sampling probe both may be used
Can be stirred again with sampling, be compared with agitating device with separate sampler of the prior art, simple structure, cost compared with
It is low, sampled using same sampling probe and stirring avoids cross pollution, and sampling probe is only cleaned when cleaning, it is corresponding to save
Cleaning fluid, reduces maintenance cost.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of sampler in prior art；
Fig. 2 is the structural representation of agitating device in prior art；
Fig. 3 is the explosive view of sampling agitating device provided in an embodiment of the present invention；
Fig. 4 is the front view of sampling agitating device provided in an embodiment of the present invention；
Fig. 5 is the structural representation of sampling agitating device provided in an embodiment of the present invention；
The structural representation of the sampling agitating device that Fig. 6 is provided for another embodiment of the present invention；
Fig. 7 is the structural representation of eccentric wheel provided in an embodiment of the present invention.
Mark in accompanying drawing as follows：
1- sampling probes, 2- jump rings, 3- second bearings, 4- eccentric wheels, 41- outer shrouds, 42- inner ring, 5- clutch shaft bearings, 6- are fixed
Ring, 7- base plates, 8- cleaning heads, 81- cleaning headgears, 82- inlets, 83- liquid outlets, 9- first driving means, 91- belt wheels, 92-
Belt, 93- motors, the driving means of 10- second, 11- bracing frames.
Specific embodiment
It is an object of the invention to provide a kind of sampling agitating device, the structure design of the sampling agitating device can be effective
Ground solve sampler and agitating device apparatus structure complexity high cost and need to be respectively washed cleaning fluid consumption it is big the problems such as.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 3-Fig. 7 is referred to, the sampling agitating device that the present invention is provided includes base plate 7, retainer ring 6, eccentric wheel 4, first
Bearing 5, second bearing 3, sampling probe 1, syringe pump, sebific duct, the driving means 10 of first driving means 9 and second.Wherein, retainer ring
6 are fixed on base plate 7.Eccentric wheel 4 has inner ring 42 and outer shroud 41, and inner ring 42 is with the eccentric setting of outer shroud 41 and inner ring 42 is surrounded partially
The endoporus of heart wheel 4, i.e. inner ring 42 are parallel to each other rather than overlap with the axis of outer shroud 41, and eccentric wheel 4 has endoporus, and inner ring 42
Surround its endoporus.The inner ring of clutch shaft bearing 5 and outer ring are fixedly connected respectively with the outer shroud 41 of retainer ring 6 and eccentric wheel 4, first axle
5 axis and the dead in line of the outer shroud 41 are held, the rotation connection between eccentric wheel 4 and retainer ring 6 is so realized so that partially
Heart wheel 4 can be relatively rotated with retainer ring 6.Through the inner ring of second bearing 3, i.e. the inner ring of second bearing 3 can band for sampling probe 1
Dynamic sampling probe 1 revolves round the sun around the axis of eccentric wheel 4, and specific sampling probe 1 can be with gap very with the inwall of the inner ring of second bearing 3
It is little, or the snap ring with through hole is set in the inner ring of second bearing 3, sampling probe 1 is through snap ring and it is with snap ring
Gap very little；Can also second bearing 3 inner ring it is circumferentially fixed with sampling probe 1, i.e., sampling probe 1 can be along second bearing 3
Move axially and can not rotate relative to the inner ring of second bearing 3, sampling probe 1 passes through the second axle along the axis of second bearing 3
Hold 3 and can be fixedly connected with the inner ring 42 of eccentric wheel 4 along the axial movement of second bearing 3, the outer ring of second bearing 3, the
The axis of two bearings 3 and the dead in line of inner ring 42, the rotation for so realizing sampling probe 1 relative to the inner ring 42 of eccentric wheel 4 connects
Connect.Sebific duct is interconnected the upper end of sampling probe 1 and syringe pump.First driving means 9 can drive eccentric wheel 4 to rotate, and second
Driving means 10 can drive the second driving means 10 that sampling probe 1 is moved axially along second bearing 3.When wherein normally using
The axis of second bearing 3, clutch shaft bearing 5 and eccentric wheel 4 should be along vertical direction.
Using the present invention provide sampling agitating device when, when being sampled can using the second driving means 10 drive take
Sample pin 1 is slided up and down along the axial direction of second bearing 3, and syringe pump pipette samples are passed through when sampling probe 1 drops to correct position
Or reagent, then the second driving means 10 drive sampling probe 1 slide up and down, pass through when sampling probe 1 slides into correct position
Syringe pump discharges sample or reagent, and with this sampling is completed.When stirring is needed, stretch into sampling probe 1 needs stirring first
In liquid, then rotated with movable eccentric wheel 4 by first driving means 9, the axis of clutch shaft bearing 5 and the axis weight of outer shroud 41
Close, because the outer ring of second bearing 3 is fixedly connected with the inner ring 42 of eccentric wheel 4, and outer shroud 41 and the eccentric setting of inner ring 42, therefore partially
Second bearing 3 revolves round the sun around the axis of the outer shroud 41 of eccentric wheel 4 when heart wheel 4 is rotated, and sampling probe 1 is through the inner ring of second bearing 3,
Therefore second bearing 3 drives sampling probe 1 to revolve round the sun around the axis of the outer shroud 41 of eccentric wheel 4, and the lower end of such sampling probe 1 is in a liquid
Revolve round the sun to reach the purpose of agitated liquid around the axis of the outer shroud 41 of eccentric wheel 4.In summary, the sampling stirring that the present invention is provided
Device can realize the function of sampling and stir, sampling probe 1 can not only have been sampled but also can stirred, and separate with of the prior art
Sampler is compared with agitating device, and simple structure, cost is relatively low, is sampled using same sampling probe 1 and stirring avoids intersection
Pollution, and sampling probe 1 is only cleaned when cleaning, cleaning fluid has been saved accordingly, reduce maintenance cost.
For the ease of cleaning sampling probe 1, the sampling agitating device can also be included with inlet 82 and liquid outlet 83
Cleaning head 8, and sampling probe 1 is through the inside of cleaning head 8 and can slide up and down along cleaning head 8, i.e., in the inside of cleaning head 8
Sky, hollow inside of the sampling probe 1 through cleaning head 8.Being arranged such only need to be by sampling probe about 1 when needing to clean sampling probe 1
Slip constantly injects cleaning fluid by inlet 82 in cleaning head 8 simultaneously, and the cleaning fluid cleaned after finishing is from liquid outlet
83 flow out cleaning heads 8, realized with this and realize the cleaning to it during mobile sampling probe 1, it is to avoid carry out after dismounting
Cleaning, it is more simple and easy to operate.
Further, cleaning head 8 includes that cleaning tank body and top have the cleaning headgear 81 of snap ring, and cleaning headgear 81 has
Through hole, sampling probe 1 cleans headgear 81 and fixes with the inner ring and cleaning tank body of second bearing 3 through the through hole of cleaning headgear 81
Connection, that is, clean headgear 81 through the inner ring of second bearing 3 and be secured to, and snap ring offsets with second bearing 3, to prevent second
Bearing jumps about 3.So realize sampling probe 1 and second bearing 3 inner ring it is circumferentially fixed, sampling probe 1 can be along clear
The through hole of hair-washing cover for lie 81 is slided up and down, and sampling probe 1 can also be with the cleaning axial restraint of headgear 81.Thus by cleaning headgear 81
It is through second bearing 3 and fixed so that the structure of all parts is compacter.
Second driving means 10 are connected and are fixed with sampling probe 1, when sampling probe 1 revolves round the sun around the axis of eccentric wheel 4
When, the end position that sampling probe 1 is connected with the second driving means 10 is constant, and whole sampling probe 1 occurs micro elastic deformation.
In order to further prevent second bearing 3 from jumping upwards, can also include being arranged between snap ring and second bearing 3
Jump ring 2, thus by snap ring by the axial restraint of second bearing 3.
Further, cleaning tank body may be located at the lower section of base plate 7, and so cleaning headgear 81 is through base plate 7 and purge tank
Body is fixedly connected, fixed cleaning head 8 with this, it is to avoid arranges other supports and carries out the support of cleaning head 8 and fixes.
Wherein, first driving means 9 can include the belt wheel 91 that be fixedly connected with the output shaft of motor 93 of motor 93 and
The belt 92 of connection belt wheel 91 and eccentric wheel 4, so can be rotated by motor 93 with movable belt pulley 91, and then belt wheel 91 and belt
92 band movable eccentric wheels 4 are rotated, and such simple structure is easy to connection.Further, in order to simplify structure, motor 93 and belt wheel 91 can
To be each attached on base plate 7, wherein motor 93 is located at the downside of base plate 7, and belt wheel 91 is located at the upside of base plate 7, retainer ring 6, first axle
Hold 5, eccentric wheel 4 and be respectively positioned on the upside of base plate 7.It is, of course, also possible to arranging single support supports motor 93 and belt wheel 91, here is not
It is construed as limiting.
First driving means 9 can also be turbine and worm structure, be not limited thereto.
Second driving means 10 can be telescoping cylinder, and the telescopic direction of telescoping cylinder is placed in the vertical direction, specifically
Can be cylinder or oil cylinder.Certainly, the second driving means 10 can also be turbine and worm structure, be not limited thereto.
The sampling agitating device can also include that the bracing frame 11 of base plate 7 can be fixedly mounted, and fix bottom with this and pacify
Fill so as to realize the sampling agitating device fixed installation.Base plate 7 can be bolted to connection with bracing frame 11.
For the ease of connection, can also include connection sampling probe 1 upper end and syringe pump sebific duct, sebific duct soft material,
It is easy to arrange.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (8)
1. it is a kind of to sample agitating device, it is characterised in that to include：
Base plate (7) and the retainer ring (6) being fixed on the base plate (7)；
Eccentric wheel (4) with inner ring (42) and outer shroud (41), the inner ring (42) is with outer shroud (41) eccentric setting and described interior
Ring (42) surrounds the endoporus of eccentric wheel (4)；
Clutch shaft bearing (5), the inner ring of the clutch shaft bearing (5) and outer ring respectively with the retainer ring (6) and the eccentric wheel (4)
Outer shroud (41) be fixedly connected, and the dead in line of the axis of the clutch shaft bearing (5) and the outer shroud (41)；
Second bearing (3) and sampling probe (1), the sampling probe (1) passes through described second along the axis of the second bearing (3)
Bearing (3) and can be along the axial movement of the second bearing (3), the sampling probe (1) is through the second bearing (3)
The outer ring of inner ring and second bearing (3) is fixedly connected with the inner ring (42) of the eccentric wheel (4)；
The syringe pump connected with the upper end of the sampling probe (1)；
Drive the first driving means (9) of the eccentric wheel (4) rotation and drive the sampling probe (1) along the second bearing
(3) second driving means (10) of axial movement；
Also include the cleaning head (8) with inlet and liquid outlet, the sampling probe (1) through the cleaning head (8) it is internal and
Can slide up and down along the cleaning head (8), the cleaning head (8) has the cleaning head of snap ring including cleaning tank body and top
Set (81), cleaning headgear (81) is fixedly connected with the inner ring and the cleaning tank body of the second bearing (3), and it blocks
Ring offsets with second bearing (3), through hole of the sampling probe (1) through cleaning headgear (81).
2. sampling agitating device according to claim 1, it is characterised in that also including being arranged on the snap ring and the second axle
Hold the jump ring (2) between (3).
3. sampling agitating device according to claim 1, it is characterised in that the cleaning tank body is located at the base plate (7)
Lower section.
4. sampling agitating device according to claim 1, it is characterised in that the first driving means (9) are including motor
(93) belt wheel (91) being fixedly connected with the output shaft of the motor (93) and the connection belt wheel (91) and the eccentric wheel
(4) belt (92).
5. sampling agitating device according to claim 4, it is characterised in that the motor (93) and belt wheel (91) are fixed
On the base plate (7).
6. sampling agitating device according to claim 1, it is characterised in that second driving means (10) are specially stretches
Contracting cylinder.
7. sampling agitating device according to claim 1, it is characterised in that also including the base plate can be fixedly mounted
(7) bracing frame (11).
8. sampling agitating device according to claim 1, it is characterised in that also including connecting the upper of the sampling probe (1)
End and the sebific duct of syringe pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410348734.9A CN104075930B (en) | 2014-07-21 | 2014-07-21 | Sampling and stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410348734.9A CN104075930B (en) | 2014-07-21 | 2014-07-21 | Sampling and stirring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104075930A CN104075930A (en) | 2014-10-01 |
| CN104075930B true CN104075930B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410348734.9A Active CN104075930B (en) | 2014-07-21 | 2014-07-21 | Sampling and stirring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106323688B (en) * | 2016-08-08 | 2018-11-27 | 江苏诺德环保工程有限公司 | A kind of environment-friendly type factory wastewater recycle sampler |
| CN106289868B (en) * | 2016-08-08 | 2019-01-04 | 浙江宝纺印染有限公司 | A kind of environmental protection industrial wastewater convenience type detection sampler |
| CN107014641B (en) * | 2017-04-27 | 2023-06-27 | 杭州鸿利机械制造有限公司 | Automatic sampling device |
| CN108362546A (en) * | 2018-04-27 | 2018-08-03 | 上海厦泰生物科技有限公司 | A kind of full-automatic stirring sampling device with collision prevention function |
| CN108854650B (en) * | 2018-06-29 | 2019-08-30 | 宁波海壹生物科技有限公司 | A kind of evenly mixing device and its mix method |
| CN110530703B (en) * | 2019-05-08 | 2021-12-21 | 深圳雷杜生命科学股份有限公司 | Liquid transfer stirring device |
| CN110426242A (en) * | 2019-08-15 | 2019-11-08 | 宁波普瑞柏生物技术股份有限公司 | A kind of sampling probe |
| CN110694520A (en) * | 2019-11-10 | 2020-01-17 | 陈丹依 | Production process and production equipment of building coating |
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| Publication number | Publication date |
|---|---|
| CN104075930A (en) | 2014-10-01 |
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