CN104516302A - Tool and method for monitoring state of tool - Google Patents

Tool and method for monitoring state of tool Download PDF

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Publication number
CN104516302A
CN104516302A CN201410500962.3A CN201410500962A CN104516302A CN 104516302 A CN104516302 A CN 104516302A CN 201410500962 A CN201410500962 A CN 201410500962A CN 104516302 A CN104516302 A CN 104516302A
Authority
CN
China
Prior art keywords
instrument
tool
control device
utilize
described instrument
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410500962.3A
Other languages
Chinese (zh)
Inventor
A.沙芬贝格
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN104516302A publication Critical patent/CN104516302A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/048Monitoring; Safety
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/06Screw or nut setting or loosening machines
    • B23P19/065Arrangements for torque limiters or torque indicators in screw or nut setting machines
    • B23P19/066Arrangements for torque limiters or torque indicators in screw or nut setting machines by electrical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/09Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
    • B23Q17/0995Tool life management
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/147Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25FCOMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00Testing or monitoring of control systems or parts thereof
    • G05B23/02Electric testing or monitoring
    • G05B23/0205Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0259Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
    • G05B23/0283Predictive maintenance, e.g. involving the monitoring of a system and, based on the monitoring results, taking decisions on the maintenance schedule of the monitored system; Estimating remaining useful life [RUL]
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/406Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
    • G05B19/4065Monitoring tool breakage, life or condition

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Numerical Control (AREA)

Abstract

The invention relates to a tool (1) and a method for monitoring the state of a tool (1). The tool (1) includes a control device (25) for detecting state data of the tool (1), and also includes a display device (22) for displaying the state data detected by the control device (25).

Description

The method of instrument and the status monitoring for instrument
Technical field
The present invention relates to a kind of a kind of method of instrument and status monitoring for instrument, wherein said status monitoring especially malfunction monitoring.Described instrument is hand-holdable instrument or the instrument of static state, and especially screws/boring bar tool, blind rivet assembler (Blindnietsetzger t) etc.
Background technology
The electric screw driver utilizing integrated control to use in product manufacturing respectively to be such as applicable to measuring and electronic blind rivet assembler, hand screwdriver and manual blind rivet assembler, static screw the instrument such as axle and blind rivet mandrel.Such as being delivered on higher level equipment as measurement data such as cycle period, torque, displacements by drive unit, axle and screwdriver, can there is the moment by the fault of measurement data determination utensil in described higher level equipment.
But its shortcoming is, in higher level equipment, determine that the moment occurs fault.Need mass data to be transferred on higher level equipment, this is easy to occur mistake for this reason.In addition except described instrument, must be additionally provided with so a kind of higher level equipment with corresponding computing power, higher level equipment produces cost and needs space thus, and this can produce cost.If need to save cost, then can abandon this equipment.But the time of failure which results in instrument is unknown, and can product bug be caused based on this, and expensive equipment may be caused to stop work.
Summary of the invention
Thus task of the present invention is, provides a kind of a kind of method of instrument and status monitoring for instrument, can solve problem mentioned before this with this.A kind of a kind of method of instrument and status monitoring for instrument is especially provided, wherein can inexpensively and be not easy to occur showing in time or issuing corresponding alarm or notice, can instrument be changed before defect occurs mistakenly.
This task is solved by according to the instrument described in independent claims 1.
Describe other favourable design proposals of described instrument in the dependent claims.
Described instrument is utilized directly to detect and the state of show tools on instrument, especially fault generation moment, mistake, defect etc.Be no longer necessary for the higher level equipment of this object thus.This instrument provides a kind of fully-integrated solution, and does not comprise required higher level equipment.The cost produced for higher level equipment can be saved thus.In addition, can save by installing, operation and maintenance is for carrying out the device of data transmission and the cost that produces between instrument and higher level equipment.
Owing to directly showing fault on instrument, occur the moment, the user of instrument is directly acquainted with the information about tool state.Also save the personnel of user's tool state of communication means thus.This also easily sends out probability for reduction about the mistake notified and has made contribution.When such as not sending the information about tool state, then there will be mistake.
Utilize instrument can avoid employing the emergent fault of machine of this instrument.The band shut down time (Band-Stillstandszeit) of manufacturing equipment is decreased thus by timely replacing instrument.
In addition described instrument can give the user of the instrument accessory retentivity (Ersatzteilhaltung) providing best.
Described instrument by not only to detect and also analyze such as the data such as circulation, moment, displacement function thus be similar to and become intelligent tool.Fabricator obtains can the possibility of the service condition of close observation reality at the scene.
In addition, by according to independent claims 10, solve task of the present invention for the method for the condition monitoring of instrument.
The method achieve the advantage identical with the advantage mentioned about instrument before.
Other possible carrying into execution a plan of the present invention also comprise clearly do not propose, in the preceding article or hereinafter about the combination of the characteristic sum embodiment described by embodiment.At this, indivedual aspect also can be added in each citation form of the present invention as improvement project or additional project by those skilled in the art.
Accompanying drawing explanation
Hereinafter with reference to accompanying drawing and describing further the present invention according to embodiment.Accompanying drawing illustrates:
Fig. 1 be according to the embodiment of the present invention, the side view of the instrument with supervisory system.
Embodiment
Fig. 1 shows instrument 1, the screwing tool of described instrument such as utilizing the accumulator being applicable to measuring to run.But instrument 1 also can be screw/boring bar tool, boring bar tool, clincher tool, stamping tool, pin assembly tool, blind rivet assembler etc.Instrument 1 is in FIG hand-holdable instrument.But instrument 1 is not limited thereto.Instrument 1 also can be static instrument or vertical instrument.
In FIG, instrument 1 is included in the tool elements 5 on goniometer head 11, especially can be measurement axle and the measurement mechanism 12 of measuring electron device, gearing 13, drive unit 14, angular transducer 15, buffer condenser (Pufferkondensator) 16, drive unit pipeline 17, drive electronics 18, for rechargeable or the battery case 19 of the not battery of rechargeable, measurement mechanism pipeline 20, control and display unit 21, display device 22, keyboard region 23, optional wireless module 24, especially can be the control device 25 controlling electron device, buffer capacitor pipeline 26, control device pipeline 27 and housing 28.Instrument 1 can utilize described wireless module 24 to build the wireless connections 29 of leading to entrance (access point) 30 alternatively, and described entrance connects 31(LAN by LAN (Local Area Network)) be connected with central computer 32.
Utilize tool elements 5, instrument 1 can processing work.For this reason, tool elements 5 is driven by drive unit 14 by gearing 13, and described drive unit can be driven by the battery in battery case 19.In this embodiment, described battery is the accumulator of rechargeable.By using battery, instrument 1 can be wireless tool.Housing 28 is such as made up of plastic or other material.
In addition, instrument 1 can utilize by the internal measurements such as analytical cycle, vibration, rotating speed, torque/force amount, Motor Current, temperature independently and measure axle and measurement mechanism 12 before breaking down in time in control and display unit 21 and/or show notice in display device 22, or utilize control and display unit 21 and/or display device 22 to give notice, instrument 1 can be changed before defect.
Such as by the method measuring axle and measurement mechanism 12 and control device 25 and implement the condition monitoring for described instrument 1.Automatically implement described method.In the process, instrument 1 can detect and/or show and/or transmit such as its remaining life in the circulating cycle.Instrument 1 at least can utilize display device 22 to be user's display of instrument 1 optically and/or acoustically or issues corresponding warning or notify, can change instrument 1 in the case of necessary and also can continue use instrument 1 free from all inhibitionsly before the defect that breaks down.
In the process, control device 25 is such as analyzed as follows value:
-measure in drive electronics 18, the electric current of drive unit 14;
-the torque that produced by drive unit 14, utilizes and measures axle and described torque measured by measurement mechanism 12;
-rotation angle on angular transducer 5;
-utilize acceleration transducer such as in control device 25 measure vibration;
-utilize the acceleration transducer such as position of survey instrument 1 and the impact of instrument 1 or inclination in control device 25;
-utilizing the temperature of corresponding sensor measurement, described sensor is such as arranged in the winding of drive electronics 18, drive unit 14 and/or control device 25;
-use the cycle index of instrument 1, wherein replenishment cycles number of times if necessary, and utilize the torque that detects and/or rotation angle to evaluate it.
Control device 25 can be utilized to calculate " serviceable life consumed " by these data, and calculate the remaining life of expectation thus.Directly on instrument 1, this remaining life can be shown optically and/or acoustically by display device 22.Remaining life also can be transferred on the central computer 32 as the superior system/mechanism of instrument 1 when needed.At this, by than therefrom just must detecting that the significantly less data of all data of remaining life are transferred on central computer 32.Alternatively, instrument 1 also only can show corresponding notice when fault to appear by display device 22.Alternatively, or additionally, instrument 1 also can utilize wireless module 24 using corresponding notification transmission to as on the central computer 32 of supervising authority when fault to appear.
Control device 25 also can the appearance of defect that causes of the non-wearing and tearing of testing tool 1.By the vibration that increases, impact or like thisly can discover the defect these non-wearing and tearing and cause.When detecting remaining life, control device 25 also can consider the defect that the non-wearing and tearing of instrument 1 cause.Also the defect that these non-wearing and tearing cause can be shown optically and/or acoustically by display device 22.Additionally, also can by wireless module 24 using corresponding transmission of messages to as on the central computer 32 of supervising authority.
Thus instrument 1 utilize integrated control device provide integrated, for automatic method of instrument 1 being carried out to Fault Identification in advance, described instrument is such as hand screwdriver, hand Screw instrument, the screwing tool screwing axle or static state, riveting machine etc.
According to the second embodiment, instrument 1 is implemented dynamically detect and show early warning, to improve the serviceable life of instrument 1.
In addition, in this embodiment instrument 1 also to build with the same mode described in a first embodiment.
According to the 3rd embodiment, tectonic manifestation device 22 like this, makes the remaining life of display device in the following manner: such as green expression non-fault; Yellow expression was broken down in several hours; Red expression breaks down at once.User can pick out instrument 1 by the optics display of different colours and be in which kind of state in point other reading moment thus.Color is the corresponding information that the user of instrument 1 conveyed the state about instrument 1.
In addition, in this embodiment instrument 1 also to build with the same mode described in a first embodiment.
According to the 4th embodiment, instrument 1 is additionally configured to detect and preserve measurement data and/or serviceable life.For this reason, instrument 1 at least temporarily has corresponding storage device.Described storage device also can be the parts of control device.Can such as reprocess measurement data and/or serviceable life when serving instrument 1 or when safeguarding instrument 1.In addition, the fabricator for instrument 1 can reprocess measurement data and/or serviceable life when researching and developing further instrument 1.
In addition, in this embodiment instrument 1 also to build with the same mode described in a first embodiment.
Can individually or with the design proposal of all possible array mode to all instruments 1 described before this apply.Especially optionally can combine all features of embodiment described before this and/or function.Additionally, especially following correction is also feasible.
Shown in the figure go out parts schematically show, as long as and ensure that its function described before this, in definite design proposal, these parts can deviate from the form shown in figure.
For instrument 1, quantity and the arrangement of sensor can be chosen at random.
In addition, as long as achieve its function described before this, instrument 1 also can be built into other forms.

Claims (10)

1. instrument (1), it has the control device (25) of the status data for detecting described instrument (1) and the display device (22) for showing the described status data detected by described control device (25).
2., according to instrument according to claim 1 (1), wherein said status data is the defect that the remaining life of described instrument (1) and/or the non-wearing and tearing of described instrument (1) cause.
3. according to the instrument (1) described in claim 1 or 2, the electric current of the drive unit (14) of described instrument (1) at least analyzed by described control device (25) wherein for detecting described status data, the torque produced by described drive unit (14), rotation angle on the angular transducer (5) of described instrument (1), the vibration of described instrument (1), the position of described instrument (1), the impact of described instrument (1) and/or inclination, in drive electronics (18) and/or described drive unit (14) and/or the temperature that occurs in the winding of described control device (25), use the cycle index of described instrument (1).
4. according to instrument in any one of the preceding claims wherein (1), wherein construct described control device (25) dynamically to detect and to show the early warning of described instrument (1), and/or wherein construct described control device (25) to control the function of described instrument (1), to utilize tool elements (5) to process workpiece, and/or wherein construct described instrument (1) in addition to preserve measurement data and/or serviceable life.
5. according to instrument in any one of the preceding claims wherein (1), wherein construct described display device (22) with show optically and/or acoustically described instrument (1), state detected by described control device (25).
6. according to instrument in any one of the preceding claims wherein (1), wherein so construct described display device (22), thus make it utilize the state of the first preferably green mark display " non-fault ", utilize the state of the second preferably yellow mark display " breaking down in several hours ", utilize the state of the 3rd preferably red mark display " at once breaking down ".
7. according to instrument in any one of the preceding claims wherein (1), wherein construct in addition described instrument (1) with will about described instrument (1), the information transmission of state that detected by described control device (25) is on central computer (32).
8., according to instrument in any one of the preceding claims wherein (1), wherein said instrument (1) is screwing tool and/or boring bar tool and/or clincher tool and/or stamping tool and/or pin assembly tool and/or blind rivet assembler.
9., according to instrument in any one of the preceding claims wherein (1), wherein said instrument (1) is wireless tool (1).
10. for the method for the condition monitoring of instrument (1), described instrument utilizes tool elements (5) to process workpiece when needed, and described method has following steps: utilize the data of measurement mechanism (2) testing tool (1) to use when its condition monitoring; Utilize the control device of described instrument (1) (25) on the basis of the data detected of described instrument (1), detect the status data of described instrument (1); And utilize display device (22) to show the status data detected of described instrument (1).
CN201410500962.3A 2013-09-27 2014-09-26 Tool and method for monitoring state of tool Pending CN104516302A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310016068 DE102013016068A1 (en) 2013-09-27 2013-09-27 Tool and method for condition monitoring of a tool
DE102013016068.5 2013-09-27

Publications (1)

Publication Number Publication Date
CN104516302A true CN104516302A (en) 2015-04-15

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Application Number Title Priority Date Filing Date
CN201410500962.3A Pending CN104516302A (en) 2013-09-27 2014-09-26 Tool and method for monitoring state of tool

Country Status (3)

Country Link
CN (1) CN104516302A (en)
DE (1) DE102013016068A1 (en)
SE (1) SE541809C2 (en)

Cited By (4)

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CN105290540A (en) * 2015-10-31 2016-02-03 安新生 Intelligent control type tapping tool of W-type workpiece
CN105388823A (en) * 2015-11-26 2016-03-09 上汽大众汽车有限公司 On-site monitoring method and monitoring device for wireless tool
CN109426174A (en) * 2017-08-21 2019-03-05 张家港欧博金属工具有限公司 A kind of embedded control system and control method of electric tool
CN112654465A (en) * 2018-09-05 2021-04-13 松下知识产权经营株式会社 Electric tool and electric tool system

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DE102016209746A1 (en) * 2016-06-03 2017-12-07 Robert Bosch Gmbh Method for monitoring the functionality of a working device and implement
DE102017204646A1 (en) 2017-03-21 2018-09-27 Robert Bosch Gmbh Predictive checking of an electrical hand tool
JP6649348B2 (en) * 2017-11-21 2020-02-19 ファナック株式会社 Tool life judgment device
FR3075678B1 (en) * 2017-12-22 2021-09-10 Renault Georges Ets PROCESS FOR DETERMINING THE DAMAGE OF A ROTATING TOOL, AND CORRESPONDING DEVICE
JP7117659B2 (en) * 2018-09-05 2022-08-15 パナソニックIpマネジメント株式会社 power tool system
FR3088229B1 (en) * 2018-11-09 2020-10-30 Renault Georges Ets METHOD OF CHECKING A LEVEL OF TIGHTENING QUALITY OF A SCREWDRIVER, ASSOCIATED DEVICE AND PROGRAM IMPLEMENTING THE PROCESS
IT202000010255A1 (en) * 2020-05-07 2021-11-07 Leonardo Spa REAL-TIME MONITORING OF THE USE AND WEAR OF TOOLS FOR MECHANICAL WORKING FOR AN INTELLIGENT MANAGEMENT OF A TOOL PARK
DE102021211195A1 (en) * 2021-10-05 2023-04-06 Robert Bosch Gesellschaft mit beschränkter Haftung Hand machine tool with a status determination unit

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN105290540A (en) * 2015-10-31 2016-02-03 安新生 Intelligent control type tapping tool of W-type workpiece
CN105388823A (en) * 2015-11-26 2016-03-09 上汽大众汽车有限公司 On-site monitoring method and monitoring device for wireless tool
CN109426174A (en) * 2017-08-21 2019-03-05 张家港欧博金属工具有限公司 A kind of embedded control system and control method of electric tool
CN112654465A (en) * 2018-09-05 2021-04-13 松下知识产权经营株式会社 Electric tool and electric tool system

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Publication number Publication date
SE541809C2 (en) 2019-12-17
SE1451131A1 (en) 2015-03-28
DE102013016068A1 (en) 2015-04-02

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Application publication date: 20150415

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