CN106052742B - A kind of measuring equipment examines by force auxiliary device - Google Patents
A kind of measuring equipment examines by force auxiliary device Download PDFInfo
- Publication number
- CN106052742B CN106052742B CN201610536842.8A CN201610536842A CN106052742B CN 106052742 B CN106052742 B CN 106052742B CN 201610536842 A CN201610536842 A CN 201610536842A CN 106052742 B CN106052742 B CN 106052742B
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- measuring equipment
- power supply
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- section
- control box
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
Present invention relates particularly to a kind of measuring equipments to examine auxiliary device by force, is mounted on the power supply male plug to examine measuring equipment by force, including control box, control circuit, female and fastener；Female includes insulation cover and power supply line, insulation cover is arranged on the outer surface of the control box, the bar shaped jack with metal contact piece is equipped in insulating boot body, fastener setting is in control box, and lean out control box and be mutually engaged with the metal contact piece in bar shaped jack, the metal contact piece matches with the conductive terminal to examine measuring equipment male plug by force；Power supply line one end is connect with metal contact piece, and the other end passes through control box and connect with external power supply；Control circuit includes processor, relay and the button cell for processor power supply and the clock circuit that is electrically connected with processor；Power supply line is arranged in on the circuit where external power supply in relay, and control terminal is electrically connected with processor.According to the technical solution of the present invention, it is able to achieve automatically powering off for the measuring equipment that the superpower overhaul period uses.
Description
Technical field
The present invention relates to measuring equipments to examine technical field by force, and in particular to a kind of measuring equipment examines by force auxiliary device.
Background technique
According to " the working measuring instrument inspection administration method of People's Republic of China's compulsory verification ", compulsory verification is used
The entity or individual of working measuring instrument, it is necessary to which the working measuring instrument registration of the compulsory verification used according to the rules is made
Volume reports administrative department of measurement of (city) the grade People's Government of local county to put on record, and examines to its specified metering validation activity requisition cycle
It is fixed.The period of compulsory verification is determined by the metering validation activity of execution compulsory verification according to measurement verification regulations.Belong to pressure inspection
Fixed working measuring instrument does not provide to apply for verification or through examining and determine underproof, any entity or individual according to this method
It must not use.Administrative department of measurement of State Council and administrative department of measurement of each People's Government of the people's governments of provinces and autonomous regions and municipalities should be to various
The working measuring instrument of compulsory verification makes the regulation in calibrating time limit.The mechanism for executing compulsory verification work should be in the prescribed time-limit
Inside it is timely completed calibrating.
But reality is, some individual operators or pedlar, examines obligation by force to escape measuring equipment, can the superperiod
Using electrical metering device, such as in optician's store, the strong inspection time limit of vertometer (being used as the equipment for preparing glasses) is 1 year, is tested
The strong overhaul period of light instrument (being used as to the equipment of consumer's optometry) is also 1 year.If having spent the re-testing periods, businessman also not actively to
Metrological service proposes strong inspection application, does not pass the equipment traced to the source by standard tolerance and is likely to be underproof, its indicating value is
Inaccuracy, if businessman continues to use, meeting optometry is inaccurate, can not match suitable glasses, thus to the eyes of the majority of consumers
Cause the damage that can not be made up.It is not only spectacles industry in China, for trade settlement, security protection, health care, environment
It is compatriots' service that all trades and professions such as monitoring have the strong inspection equipment of a large amount of metering daily, so while a variety of causes superperiod uses
Various measurement instruments, not only increase the management cost of metering Qiang Jian supervision department, be also unfavorable for measuring the orderly of strong inspection work
Carry out, the inaccurate hidden danger of this metering influences fair deal, invades the equity of consumer, What is more can threaten the people
Health and social stability.
Summary of the invention
In view of this, it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of measuring equipments to examine auxiliary by force
Device realizes that the measuring equipment used the superpower overhaul period automatically powers off.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of measuring equipment examines by force auxiliary device, is mounted on the power supply male plug to examine measuring equipment by force, including control
Box, control circuit, female and at least one fastener, wherein the control box include mutual card and and the upper cover of lead sealing and
Lower box,
The female includes insulation cover and power supply line, and the outer surface of the control box is arranged in the insulation cover
On, the bar shaped jack with metal contact piece is equipped in the insulating boot body；The fastener is arranged in the control box, and leans out
The control box is mutually engaged with the metal contact piece in the bar shaped jack, the metal contact piece with to examine measuring equipment male plug by force
Conductive terminal fit；Described power supply line one end is connect with the metal contact piece, the other end pass through the control box with it is external
Power supply connection；
The control circuit include processor, relay and for the processor power supply button cell and with the processing
The clock circuit of device electrical connection；The relay is arranged on the power supply line and circuit where external power supply, control terminal
It is electrically connected with the processor.
Preferably, the measuring equipment examines by force auxiliary device, further includes the stock through the control box cover and lower box
Nut；The long stem nut disposably casts the molding control mouth of mill from lower box and is pierced by the threaded hole being embedded in upper cover corresponding position
Match.
Preferably, the control circuit further includes reduction voltage circuit, the input terminal of the reduction voltage circuit and the button cell
Connection, output end are connect with the feeder ear of the processor.
Preferably, the control circuit further includes usb circuit, and the usb circuit is electrically connected with the processor
It connects.
Preferably, the fastener includes: two regulating arms and adjusting nut relatively disposed in parallel, wherein
Two regulating arms, are connected by shaft, all include that the adjusting section of the shaft side is arranged in and is arranged described
The occlusion section of the shaft other side, the occlusion section are arranged in the bar shaped jack in power supply female, insert with the same bar shaped
Metal contact piece in hole is mutually engaged, the conduction to examine measuring equipment male plug by force in the metal contact piece and insertion bar shaped jack
Terminal fits；
The adjusting section is arranged in the control box, and the adjusting nut pushing tow is between two adjusting sections, for adjusting
The distance between two adjusting sections are saved, to control the occlusion section and described to examine the conductive terminal of measuring equipment male plug by force
Degree of engagement；The axis of the shaft is parallel with the occlusion occlusal surface of section, and the axis of the adjusting nut is engaged with described
Face is vertical.
Preferably, wherein an adjusting section is equipped with tapped through hole, the adjusting nut includes Nut pole, the Nut pole
End pass through the tapped through hole, with another adjust section section face phase pushing tow；The adjusting nut is by controlling the spiral shell
The length of tapped through hole described in female bar precession adjusts the distance between two adjusting sections.
Preferably, it is provided with the first firm banking and the second firm banking in the control box, is used to support the fastening
The shaft of part；After the shaft passes through two regulating arms, both ends are separately fixed at the first firm banking and the second firm banking
On.
Preferably, the length for adjusting section is twice of the length of the occlusion section.
Preferably, the adjusting section is made of insulating material, and the occlusion section is made of steel.
Preferably, the quantity of the fastener is identical with the quantity of the bar shaped jack；The female is inserted for product word three
Female or Japanese two slotting female.
The invention adopts the above technical scheme, at least have it is following the utility model has the advantages that
As shown from the above technical solution, this measuring equipment provided by the invention examines by force auxiliary device, can pass through control
The strong overhaul period to examine measuring equipment by force is arranged in circuit, if being more than the strong overhaul period, user will send not yet to examine measuring equipment by force
It runs business into strong one inspection to administrative department of measurement, processor controls relay and disconnects external power supply and to examine the connection between measuring equipment by force；
Meanwhile this measuring equipment provided by the invention examines by force auxiliary device, is engaged the power supply to examine measuring equipment by force by fastener
On male plug, and by fastener lead sealing in control box, it can prevent the user to examine measuring equipment by force from dismantling control box, guarantee
The normal work of control circuit, this measuring equipment provided through the invention examine by force auxiliary device, are able to achieve to superpower inspection week
The measuring equipment that phase uses automatically powers off, to ensure the orderly development of the strong inspection work of metering, national correlation department is effectively reduced
Investment management cost in terms of supervision.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of measuring equipment that one embodiment of the invention provides examines by force auxiliary device；
Fig. 2 is the side view and top view that a kind of measuring equipment that one embodiment of the invention provides examines by force auxiliary device；
Fig. 3 is the schematic block diagram for the control circuit that one embodiment of the invention provides；
Fig. 4 be another embodiment of the present invention provides control circuit schematic block diagram；
Fig. 5 is a kind of side view for fastener that one embodiment of the invention provides；
Fig. 6 be another embodiment of the present invention provides a kind of fastener side view.
Specific embodiment
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Referring to Fig. 1, a kind of measuring equipment that one embodiment of the invention provides examines by force auxiliary device, is mounted on to examine metering by force
On the power supply male plug of equipment, including control box 1, control circuit 2, female 3 and at least one fastener 4, wherein the control
The box 1 processed upper cover 10 of lead sealing and lower box 11 including mutually card and simultaneously,
Referring to fig. 2, the female 3 includes insulation cover 30 and power supply line 31, and the insulation cover 30 is arranged described
On the outer surface for controlling box 1, the bar shaped jack 32 with metal contact piece is equipped in the insulation cover 30；The fastener 4 is arranged
In the control box 1, and leans out the control box 1 and be mutually engaged with the metal contact piece in the bar shaped jack 32, the metal
Contact fits with the conductive terminal to examine measuring equipment male plug by force；Described 31 one end of power supply line and the metal contact piece connect
It connects, the other end passes through the control box 1 and connect with external power supply；
Referring to Fig. 3, the control circuit 2 includes processor 20, relay 21 and the button for the processor 20 power supply
Battery 22 and the clock circuit 23 being electrically connected with the processor 20；The relay 21 setting the power supply line 31 with it is external
On circuit where power supply, control terminal is electrically connected with the processor 20.
As shown from the above technical solution, this measuring equipment provided by the invention examines by force auxiliary device, can pass through control
The strong overhaul period to examine measuring equipment by force is arranged in circuit, if being more than the strong overhaul period, user will send not yet to examine measuring equipment by force
It runs business into strong one inspection to administrative department of measurement, processor controls relay and disconnects external power supply and to examine the connection between measuring equipment by force；
Meanwhile this measuring equipment provided by the invention examines by force auxiliary device, is engaged the power supply to examine measuring equipment by force by fastener
On male plug, and by fastener lead sealing in control box, it can prevent the user to examine measuring equipment by force from dismantling control box, guarantee
The normal work of control circuit, this measuring equipment provided through the invention examine by force auxiliary device, are able to achieve to superpower inspection week
The measuring equipment that phase uses automatically powers off, to ensure the orderly development of the strong inspection work of metering, national correlation department is effectively reduced
Investment management cost in terms of supervision.
Preferably, the measuring equipment examines by force auxiliary device, further includes the stock through the control box cover and lower box
Nut；The long stem nut disposably casts the molding control mouth of mill from lower box and is pierced by the threaded hole being embedded in upper cover corresponding position
Match.
It should be noted that long stem nut is sealed for that will control box, prevent layman from opening, in certain spies
Different industry can also add strip of paper used for sealing or lead sealing to control box, prevent user from will control box and beat if measuring equipment examines by force industry
It opens.
Referring to fig. 4, it is preferable that the control circuit 2 further includes reduction voltage circuit 24, the input terminal of the reduction voltage circuit 24 with
The button cell 22 connects, and output end is connect with the feeder ear of the processor 20.Preferably, the processor 20 is monolithic
Machine.
It is understood that the effect of reduction voltage circuit is the work electricity by the voltage drop of button cell output as low as processor
Pressure, guarantees the normal work of processor.
Preferably, the control circuit 2 further includes usb circuit 25, the usb circuit 25 and the processor
20 electrical connections.
It should be noted that the setting of usb circuit is handed over for the ease of the data between control circuit and computer
It changes, convenient for the software program in control circuit is configured and is debugged by computer.
Referring to Fig. 5, it is preferable that the fastener 4 includes: two regulating arms 40 and adjusting nut relatively disposed in parallel
41, wherein
Two regulating arms 40, are connected by shaft 42, all include that the adjusting section 401 of 42 side of shaft is arranged in and sets
The occlusion section 402 in 42 other side of shaft is set, the occlusion section 402 is arranged in the bar shaped jack of the female 3, with
Metal contact piece in the same bar shaped jack is mutually engaged, the metal contact piece and setting in insertion bar shaped jack to examine metering by force
The conductive terminal of standby male plug fits；
The adjusting section is arranged in the control box, and 41 pushing tow of adjusting nut is used between two adjusting sections 401
In adjusting the distance between two adjustings sections 401, with control the occlusion section 402 with it is described to examine measuring equipment male plug by force
The degree of engagement of conductive terminal；The axis of the shaft 42 is parallel with the occlusion occlusal surface of section 402, the adjusting nut 41
Axis it is vertical with the occlusal surface.
As shown from the above technical solution, this measuring equipment provided by the invention examines by force the fastener in auxiliary device, and two
Regulating arm is connected by shaft, all includes the adjustings section that shaft side is arranged in and the occlusion section that the shaft other side is arranged in,
Adjusting nut pushing tow is between two adjusting sections, therefore the pushing tow length when user's change adjusting nut between two adjusting sections
When, such as pushing tow length is increased, then two angles adjusted between section increase, and according to lever principle, (two regulating arms are suitable
In lever, shaft is equivalent to fulcrum), the angle between two occlusion sections of the shaft other side will reduce, due to occlusion
Section is arranged in the bar shaped jack in power supply female, is mutually engaged with the metal contact piece in same bar shaped jack, and metal contact piece
With insertion bar shaped jack in the conductive terminal to examine measuring equipment male plug by force fit, so when occlusion section be equivalent to closely
It is engaged the conductive terminal of male plug, therefore, fastener makes measuring equipment examine auxiliary device by force to be provided with anti-plug function.
Referring to Fig. 6, it is preferable that wherein an adjusting section 401 is equipped with tapped through hole, and the adjusting nut 41 includes nut
The end of bar, the Nut pole passes through the tapped through hole, and the section face phase pushing tow of section 401 is adjusted with another；The adjusting spiral shell
Mother 41 adjusts the distance between two adjusting sections 401 by controlling the length of tapped through hole described in the Nut pole precession.
Preferably, it is provided with the first firm banking and the second firm banking in the control box 1, is used to support the fastening
The shaft 42 of part 4；After the shaft 42 passes through two regulating arms 40, both ends are separately fixed at the first firm banking and second and consolidate
Determine on pedestal.
Preferably, the length for adjusting section 401 is twice of the length of the occlusion section 402.
It is understood that two regulating arms of fastener are equivalent to lever, shaft is equivalent to fulcrum, if section will be adjusted
Length (power arm being equivalent in lever) is set as twice of the length (being equivalent to the resistance arm in lever) of occlusion section, is equivalent to
It only needs through adjusting nut to the clamping force for adjusting 1 unit of section, so that it may the bite force of 2 units is obtained in occlusion section, when
It, can be laborsaving for user when user wants to adjust the degree of engagement of fastener.
Preferably, the adjusting section 401 is made of insulating material, and the occlusion section 402 is made of steel.
It is understood that adjust section be made of insulating material, can prevent user adjust adjusting nut when in electricity；Occlusion
Section is made of steel, and the keying strength of occlusion section can be improved.
Preferably, the quantity of the fastener 4 is identical with the quantity of the bar shaped jack 32；The female 3 is product word
Three slotting females or Japanese two slotting female.
It is understood that a fastener is a conductive terminal for being engaged in insertion bar shaped jack, if
Female is that product word three inserts female, and three fixing pieces can be selected to go three conducting ends in occlusion insertion bar shaped jack respectively
Son；If female is Japanese two slotting females, two fixing pieces can be selected to go two in occlusion insertion bar shaped jack respectively
Conductive terminal.
In concrete practice, auxiliary device is examined by force to this measuring equipment provided by the invention and is tested, selects one
When a fastener, female and male plug can be realized it is close be engaged, the adult of normal type is difficult to pull up plug.In order to increase
Strong occlusion effect, user in specific practical application, with the quantity of unrestricted choice fastener, can such as select fastener quantity and
The quantity of bar shaped jack is identical.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.Term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.Term " multiple " refers to two or more, unless otherwise restricted clearly.
Claims (9)
1. a kind of measuring equipment examines by force auxiliary device, it is mounted on the power supply male plug to examine measuring equipment by force, which is characterized in that
Including control box, control circuit, female and at least one fastener, wherein the control box includes mutual card and and lead sealing
Upper cover and lower box,
The female includes insulation cover and power supply line, and the insulation cover is arranged on the outer surface of the control box, institute
It states and is equipped with the bar shaped jack with metal contact piece in insulating boot body；The fastener is arranged in the control box, and leans out described
Control box be mutually engaged with the metal contact piece in the bar shaped jack, the metal contact piece with to examine leading for measuring equipment male plug by force
Electric terminal fits；Described power supply line one end is connect with the metal contact piece, and the other end passes through the control box and external power supply
Connection；
The control circuit include processor, relay and for processor power supply button cell and with processor electricity
The clock circuit of connection；The relay is arranged on the power supply line and circuit where external power supply, control terminal and institute
State processor electrical connection；
The processor receives the strong overhaul period to examine measuring equipment by force of user setting, if being more than the strong overhaul period, user does not have also
Administrative department of measurement will be sent to examining measuring equipment by force by, which having, runs business into strong one inspection, the processor control relay disconnect external power supply with to
Connection between strong inspection measuring equipment；
Wherein, the fastener includes: two regulating arms and adjusting nut relatively disposed in parallel, wherein
Two regulating arms, are connected by shaft, all include that the adjusting section of the shaft side is arranged in and is arranged in the shaft
The occlusion section of the other side, the occlusion section is arranged in the bar shaped jack in power supply female, in the same bar shaped jack
Metal contact piece be mutually engaged, the metal contact piece and insertion bar shaped jack in the conductive terminal to examine measuring equipment male plug by force
It fits；
The adjusting section is arranged in the control box, and the adjusting nut pushing tow is between two adjusting sections, for adjusting two
Item adjusts the distance between section, to control the occlusion section with described to examine being engaged for the conductive terminal of measuring equipment male plug by force
Degree；The axis of the shaft is parallel with the occlusion occlusal surface of section, and the axis of the adjusting nut and the occlusal surface hang down
Directly.
2. measuring equipment according to claim 1 examines by force auxiliary device, which is characterized in that further include through the control box
The long stem nut of upper cover and lower box；The long stem nut, disposably cast from lower box the molding control mouth of mill be pierced by it is corresponding with upper cover
The threaded hole of position insertion matches.
3. measuring equipment according to claim 1 examines by force auxiliary device, which is characterized in that the control circuit further includes drop
Volt circuit, the input terminal of the reduction voltage circuit are connect with the button cell, and output end is connect with the feeder ear of the processor.
4. measuring equipment according to claim 3 examines by force auxiliary device, which is characterized in that the control circuit further includes
Usb circuit, the usb circuit are electrically connected with the processor.
5. measuring equipment according to claim 1 examines by force auxiliary device, which is characterized in that wherein an adjusting section is equipped with
Tapped through hole, the adjusting nut include Nut pole, and the end of the Nut pole passes through the tapped through hole, are adjusted with another
The section face phase pushing tow of section；The adjusting nut adjusts two by controlling the length of tapped through hole described in the Nut pole precession
Adjust the distance between section.
6. measuring equipment according to claim 1 examines by force auxiliary device, which is characterized in that be provided in the control box
One firm banking and the second firm banking, are used to support the shaft of the fastener；After the shaft passes through two regulating arms,
Both ends are separately fixed on the first firm banking and the second firm banking.
7. measuring equipment according to claim 1 examines by force auxiliary device, which is characterized in that the length for adjusting section is institute
Twice for stating the length of occlusion section.
8. measuring equipment according to claim 1 examines by force auxiliary device, which is characterized in that the adjusting section is by insulating materials
It is made, the occlusion section is made of steel.
9. described in any item measuring equipments examine by force auxiliary device according to claim 1~8, which is characterized in that the fastener
Quantity it is identical with the quantity of the bar shaped jack；The female is that product word three inserts female or Japanese two slotting female.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610536842.8A CN106052742B (en) | 2016-07-08 | 2016-07-08 | A kind of measuring equipment examines by force auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610536842.8A CN106052742B (en) | 2016-07-08 | 2016-07-08 | A kind of measuring equipment examines by force auxiliary device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106052742A CN106052742A (en) | 2016-10-26 |
| CN106052742B true CN106052742B (en) | 2018-12-11 |
Family
ID=57185893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610536842.8A Active CN106052742B (en) | 2016-07-08 | 2016-07-08 | A kind of measuring equipment examines by force auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106052742B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2441142Y (en) * | 2000-07-12 | 2001-08-01 | 胡宗泉 | Forced inspection controller |
| CN201044297Y (en) * | 2007-04-30 | 2008-04-02 | 赵维珂 | Self-tightening type plug adapter and plug socket |
| CN201757670U (en) * | 2010-02-05 | 2011-03-09 | 凯丰集团有限公司 | Electronic scale provided with forced detecting management functions |
| CN202076501U (en) * | 2010-12-03 | 2011-12-14 | 张朝东 | Power supply socket with jack locking device |
| KR200481519Y1 (en) * | 2015-02-02 | 2016-10-12 | 주식회사 평일 | Test terminal screw for electronic power meter |
| CN205898175U (en) * | 2016-07-08 | 2017-01-18 | 辛永强 | Auxiliary device is examined by force to measuring equipment |
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2016
- 2016-07-08 CN CN201610536842.8A patent/CN106052742B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106052742A (en) | 2016-10-26 |
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Effective date of registration: 20181120 Address after: 730070 No. 400 Anning East Road, Lanzhou City, Gansu Province Applicant after: Gansu Institute of Metrology Address before: 730000 No. 31, Volkswagen Lane, Chengguan District, Lanzhou City, Gansu Province 104 Applicant before: Xin Yongqiang Applicant before: Guo Ruijun |
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