CN108447708A - A kind of capacitor liquid injection device - Google Patents
A kind of capacitor liquid injection device Download PDFInfo
- Publication number
- CN108447708A CN108447708A CN201810406410.4A CN201810406410A CN108447708A CN 108447708 A CN108447708 A CN 108447708A CN 201810406410 A CN201810406410 A CN 201810406410A CN 108447708 A CN108447708 A CN 108447708A
- Authority
- CN
- China
- Prior art keywords
- fluid injection
- capacitor
- injection device
- electrolyte
- liquid injection
- 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
Links
- 238000002347 injection Methods 0.000 title claims abstract description 107
- 239000007924 injection Substances 0.000 title claims abstract description 107
- 239000007788 liquid Substances 0.000 title claims abstract description 85
- 239000003990 capacitor Substances 0.000 title claims abstract description 37
- 239000012530 fluid Substances 0.000 claims abstract description 63
- 238000004519 manufacturing process Methods 0.000 claims abstract description 22
- 238000006073 displacement reaction Methods 0.000 claims description 29
- 238000010926 purge Methods 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 8
- 230000001174 ascending effect Effects 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 abstract description 38
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000036541 health Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000012864 cross contamination Methods 0.000 abstract description 2
- 238000011109 contamination Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 11
- 238000003860 storage Methods 0.000 description 5
- 229910000989 Alclad Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000010294 electrolyte impregnation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/04—Drying; Impregnating
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a kind of capacitor liquid injection device, belong to capacitor manufacturing technology field, including quantitative pump group, liquid storing cup, fluid injection are taken over and fluid injection chamber；Quantitative pump group is connected to liquid storing cup, and liquid storing cup is taken over by fluid injection with fluid injection chamber and is connected to.The present invention controls electrolyte injection rate by quantitative pump group, and reservoir quantity accurately controls, and facilitates adjustment reservoir quantity, ensures product quality, improves production effect.By carrying out vacuumize process to fluid injection chamber, fluid injection is more completed to fast accurate, electrolyte is not easy to evaporate into the external world, more environmentally protective.Its degree of intelligence is high, and production efficiency is fast, easy to operate.It solves traditional mode of production mode and is unable to control electrolyte uptake, cause product quality inconsistent；It is the easy cross contamination of electrolyte Reusability, volatile, it causes to waste；The electrolyte contamination environment of volatilization, jeopardizes operator's health.
Description
【Technical field】
The present invention relates to capacitor manufacturing technology fields, and in particular to a kind of capacitor liquid injection device.
【Background technology】
Ultracapacitor is as a kind of with power density is high, the charging time is short, service life is long, good temp characteristic, saves energy
Source and it is environmentally protective the features such as a kind of novel energy storage apparatus, it is increasing in the effect of new energy in the market, in every field
Application it is more and more extensive.
In the production process of capacitor, conventional method be using large batch of immersion type produce, this mode of production without
Method controls electrolyte of the capacitor in soaking process in its production process and absorbs content, the electrolyte impregnation amount phase of each core packet
Difference is larger, is influenced on the consistency of product quality big；Electrolyte has most of Reusability in production, electrolyte easily to intersect dirt
It contaminates, is volatile, causing the waste of electrolyte.Occur being easy to cause when product quality problem doing over again and reforms and then affect whole life
Produce efficiency.The electrolyte evaporated causes production operation bad environments, jeopardizes operator's health.
【Invention content】
To solve the above problems, the present invention provides a kind of capacitor liquid injection device,
The technical solution used in the present invention is：A kind of capacitor liquid injection device, including quantitative pump group, liquid storing cup, fluid injection are taken over
With fluid injection chamber；The quantitative pump group is connected to the liquid storing cup, and the electrolyte extracted by the quantitative pump group is injected into described
It is stored in liquid storing cup；The liquid storing cup is taken over by the fluid injection with the fluid injection chamber and is connected to, by the fluid injection take over by
Electrolyte in the liquid storing cup is delivered to the fluid injection chamber.
In the above technical solution, the quantitative pump group includes constant displacement pump and fixed plate, and the constant displacement pump is equipped with out liquid
Pipe, for conveying the electrolyte in constant displacement pump；The outlet tube is connected to the constant displacement pump, the outlet tube and the fixed plate
It is fixedly connected, drives the outlet tube to move to the appropriate position by the fixed plate and dock fluid injection with the liquid storing cup.
In the above technical solution, the quantitative pump group further includes displacement cylinder, the displacement cylinder and the fixation
Plate is fixedly connected, to drive the fixed plate to carry out displacement.
In the above technical solution, the liquid storing cup is equipped with liquid injection port, and the liquid injection port is connected to the quantitative pump group,
To collect the electrolyte sent out by the quantitative pump group.
In the above technical solution, further including air blowing controller group, the air blowing controller group include one with
On purge valve, the liquid storing cup further includes inflatable mouth, the purge valve respectively it is corresponding with the inflatable mouth connection, blown by described
Air valve is pumped into gas to blow the electrolyte in the liquid storing cup.
In the above technical solution, the fluid injection chamber includes upper cover and pallet, and the upper cover is closed with the pallet
To form closed container, product, which is placed in the closed container, completes fluid injection；The fluid injection, which is taken over, is threaded through the upper cover, to penetrate
The fluid injection chamber carries out fluid injection.
In the above technical solution, the upper cover is equipped with vacuum orifice, and the vacuum orifice is connect with a vacuum pump, by
Vacuum pump vacuumizes closed fluid injection chamber, to realize more quick injection process.
In the above technical solution, the pallet is equipped with the placing groove for placing capacitor, and the pallet is equipped with one
A above placing groove, in order to simultaneously to it is multiple enter shell core alclad shell carry out fluid injection.
In the above technical solution, further including mobile raceway, the mobile raceway drives the pallet in the production line
Transport product.
In the above technical solution, further including mobile cylinder and lifting cylinder, the mobile cylinder drive pallet
It is moved to the lower section of the upper cover, the lifting cylinder pushes the pallet to move up and down.
The beneficial effects of the invention are as follows：
1, this kind of capacitor liquid injection device controls electrolyte injection rate by quantitative pump group, enters shell core packet one to ultracapacitor
To a certain amount of fluid injection, reservoir quantity can accurately control, and facilitate adjustment reservoir quantity, ensure that the product quality of each capacitor is opposite
Being consistent property improves whole production effect；Take feed flow using quantitative pump group, electrolyte can be made to make full use of, reduces life
Waste, has saved production cost caused by production process, opposite to improve the performance of enterprises.
2, this kind of capacitor liquid injection device by fluid injection chamber carry out vacuumize process, using airtight chamber negative pressure from
The electrolyte drawn in liquid storing cup is taken in fluid injection, more injects the electrolyte into fast accurate in shell core alclad shell, makes life
Production process becomes more convenient, and electrolyte is not easy to evaporate into external working environment in airtight chamber, enables production process
It is more environmentally protective.
3, this kind of capacitor liquid injection device is used as the transfer storage of electrolyte using liquid storing cup, avoids the friendship of electrolyte
Fork pollution, effectively solves the problem in prior art and device；Inflatable mouth is provided on liquid storing cup to blow to be blown into gas
It sweeps liquid storing cup and the electrolyte of interior remnants is taken in fluid injection, while being closed fluid injection chamber vacuum breaker, convenient for opening closed note
Sap cavity room.
4, it can be manipulated by electric control gear when this kind of capacitor liquid injection device is assemblied in complete machine, degree of intelligence is high, production effect
Rate is fast, easy to operate, is suitable for the extensive generation of industrialization, only needs a small amount of staff, that is, controllable more machines, effectively save
About cost of labor.And environmental pollution is caused unlike traditional mode of production mode generates a large amount of volatile electrolyte in production process
And operator's health is endangered, it is capable of the health of safeguard work personnel.
【Description of the drawings】
Fig. 1 is a kind of structural schematic diagram of capacitor liquid injection device；
Fig. 2 is a kind of part installation diagram of capacitor liquid injection device；
Fig. 3 is a kind of assembly design sketch of capacitor liquid injection device；
Reference numeral is：1, quantitative pump group；11, constant displacement pump；12, fixed plate；13, outlet tube；14, displacement cylinder；2, liquid storing cup；
21, liquid injection port；22, inflatable mouth；3, fluid injection is taken over；4, fluid injection chamber；41, upper cover；42, pallet；43, vacuum orifice；44, it places
Slot；5, air blowing controller group；51, purge valve；6, mobile raceway；7, mobile cylinder；8, lifting cylinder.
【Specific implementation mode】
Above-mentioned purpose, technical solution and effect in order to further illustrate the present invention in conjunction with attached drawing and have by the following examples
Well known technological know-how is closed to illustrate the present invention：
As shown in Figs. 1-3, a kind of capacitor liquid injection device, quantitative pump group 1, liquid storing cup 2, fluid injection take over 3 and fluid injection chamber 4；It is fixed
Amount pump group 1 is connected to liquid storing cup 2, and the electrolyte extracted by quantitative pump group 1 is injected into liquid storing cup 2 and stores；Liquid storing cup 2 and fluid injection
Electrolyte in liquid storing cup 2 is delivered to fluid injection chamber 4 by chamber 4 by 3 connection of fluid injection take over, by fluid injection take over 3.
The quantitative pump group 1 includes constant displacement pump 11, fixed plate 12 and displacement cylinder 14；Constant displacement pump 11 is equipped with outlet tube 13,
For conveying the electrolyte in constant displacement pump 11；Constant displacement pump 1 is equipped with outlet tube 13, and outlet tube 13 is connected to constant displacement pump 11, outlet tube
13 are fixedly connected with fixed plate 12, drive outlet tube 13 to move to the appropriate position by fixed plate 12 and dock fluid injection with liquid storing cup 2；Position
It moves cylinder 14 to be fixedly connected with fixed plate 12, to drive fixed plate 12 to carry out displacement.
This kind of capacitor liquid injection device further includes air blowing controller group 5, and air blowing controller group 5 includes more than one
Purge valve 51；Liquid storing cup 2 is equipped with liquid injection port 21 and inflatable mouth 22, and liquid injection port 21 is connected to quantitative pump group 1, to collect by constant displacement pump
The electrolyte that group 1 is sent out；The connection corresponding with inflatable mouth 22 respectively of purge valve 51, gas is pumped into blow liquid storing cup by purge valve 51
Electrolyte in 2.
The fluid injection chamber 4 includes upper cover 41 and pallet 42, and upper cover 41 is closed with pallet 42 to form closed container, product
It is placed in the closed container and completes fluid injection；Fluid injection take over 3 is threaded through upper cover 41, and fluid injection is carried out to penetrate fluid injection chamber 4.Upper cover 41
Equipped with vacuum orifice 43, vacuum orifice 43 is connect with a vacuum pump, is vacuumized to closed fluid injection chamber 4 by vacuum pump,
To realize more quick injection process.Pallet 42 is equipped with placing groove 44 for placing capacitor, pallet 42 set there are one with
On placing groove 44, in order to simultaneously to it is multiple enter shell core alclad shell carry out fluid injection.
This kind of capacitor liquid injection device further includes mobile raceway 6, mobile cylinder 7 and lifting cylinder 8, and mobile raceway 6 drives
Pallet 42 transports product in the production line, and the drive pallet 42 of mobile cylinder 7 is moved to the lower section of upper cover 41, and lifting cylinder 8 pushes
Pallet 42 moves up and down.
Using the present invention when, by it is each enter shell core packet be placed in the placing groove 44 of pallet 42, as shown in figure 3, this reality
The pallet 42 applied in example is equipped with 24 placing grooves.The mobile raceway 6 of the feeding of pallet 42 into shell core packet will be placed, is rolled by mobile
Road 6 transmits, and before pallet 42 is moved to the working position of the capacitor liquid injection device, drives pallet 42 to be moved to note by mobile cylinder 7
41 lower section of upper cover of sap cavity room 4, then pushed up pallet 42 by lifting cylinder 8, it is formed until pallet 42 is closed with upper cover 41
Closed fluid injection chamber 4.
Quantitative pump group 1 includes multiple constant displacement pumps 11, which can be single head constant displacement pump, can also be that double end is quantitative
Pump.The quantitative pump group 1 of the present embodiment includes six double end constant displacement pumps, can be carried out at the same time 12 pumping liquid operations.The double end is fixed
Amount pump can pump out the flow of liquid with adjusting control, be adjusted accordingly according to the requirement for entering shell core packet.Each constant displacement pump
11 both ends are connected separately with inlet tube and outlet tube 13, and inlet tube is connect with storage electrolyte container, and outlet tube 13 is then unified
It is fixed in fixed plate 12, which is equipped with corresponding 12 fixed bits to fix 12 outlet tubes 13.Fixed plate 12 with
Displacement cylinder 14 is fixedly connected, and displacement cylinder 14 pushes fixed plate 12 to carry out shift reciprocately and interlocks the docking liquid storage of outlet tube 13
The liquid injection port 21 of cup 2.24 liquid storing cups 2 are equipped in the present embodiment, every 12 liquid storing cups 2 are one group, the fluid injection of each liquid storing cup 2
Mouth 21 is docked with 13 nozzle of outlet tube in fixed plate 12, can control fixed plate 12 to be moved left and right by displacement cylinder 14, and one
Secondary injection can fill 12 liquid storing cups 2 simultaneously, and fixed plate 12 is moved to another group of liquid storage by displacement cylinder 14 after filling one group
Fluid injection is carried out on cup 2.
After 24 storages of liquid storing cup 2 full electrolyte, the 1 stopping action of quantitative pump group, the vacuum being connect with vacuum orifice 43
Pump, which starts to start, vacuumizes closed fluid injection chamber 4.After foring certain negative pressure inside closed fluid injection chamber 4, very
Sky pump stops operating, and vacuum orifice 43 is closed.The negative pressure can accordingly be set by vacuum pump.It is threaded through fluid injection chamber 4
Fluid injection take over 3 and enter shell core packet one-to-one correspondence, the switch of fluid injection take over 3 is opened, under the action of negative pressure, in liquid storing cup 2
Electrolyte is rapidly injected by fluid injection take over 3 in shell core packet, and electrolyte fully impregnates aluminum hull inner capacitor core packet.Because of electrolysis
Liquid is quantitative locating injection, pollutes and wastes so electrolyte can be avoided to overflow aluminum hull.
After the completion of the injection of 2 electrolyte inside of liquid storing cup, each purge valve 51 of air blowing controller group 5 is through liquid storing cup 2
Liquid injection port 21 is blown into gas, to purge the remaining electrolyte in liquid storing cup 2 and fluid injection take over 3, can reduce waste, avoid being electrolysed
Liquid cross contamination and corrosion of the reduction entrained electrolyte to liquid storing cup 2 and fluid injection take over 3 as possible.Also can be simultaneously closed note
Sap cavity room 4 carries out vacuum breaker, convenient for opening fluid injection chamber 4.
After shell core packet is performed integrally fluid injection, the lifting cylinder 8 under pallet 42 starts, and drives entire pallet 42 for entering on pallet
It moves down, pallet 42 falls into mobile raceway 6 again, and subsequent processing is delivered to through mobile raceway 6.When fluid injection chamber 4 is opened, fluid injection
3 closing of take over, quantitative pump group 1 are again started up work, inject the electrolyte of set amount into liquid storing cup 2 by liquid injection port 21, be
The fluid injection work of next pallet 42 is prepared.This kind of capacitor liquid injection device, which so moves in circles, to work, and may be implemented to give birth to
Producing line constantly manufactures process, reaches production efficiency rapidly and efficiently.
Above embodiment is merely illustrative and not limiting to the invention, therefore all according to described in present patent application range
The equivalent change or modification done of method, be included within the scope of present patent application.
Claims (10)
1. a kind of capacitor liquid injection device, it is characterised in that：Including quantitative pump group（1）, liquid storing cup（2）, fluid injection takes over（3）And note
Sap cavity room（4）；The quantitative pump group（1）With the liquid storing cup（2）Connection, the liquid storing cup（2）With the fluid injection chamber（4）It is logical
The fluid injection is crossed to take over（3）Connection.
2. a kind of capacitor liquid injection device according to claim 1, it is characterised in that：The quantitative pump group（1）Including fixed
Amount pump（11）And fixed plate（12）, the constant displacement pump（1）Equipped with outlet tube（13）, the outlet tube（13）With the constant displacement pump
（11）Connection, the outlet tube（13）With the fixed plate（12）It is fixedly connected.
3. a kind of capacitor liquid injection device according to claim 2, it is characterised in that：The quantitative pump group（1）Further include
Displacement cylinder（14）, the displacement cylinder（14）With the fixed plate（12）It is fixedly connected.
4. a kind of capacitor liquid injection device according to claim 1, it is characterised in that：The liquid storing cup（2）Equipped with fluid injection
Mouthful（21）, the liquid injection port（21）With the quantitative pump group（1）Connection.
5. a kind of capacitor liquid injection device according to claim 4, it is characterised in that：It further include air blowing controller group
（5）, the air blowing controller group（5）Including more than one purge valve（51）；The liquid storing cup（2）It further include inflatable mouth
（22）, the purge valve（51）Respectively with the inflatable mouth（22）Corresponding connection.
6. a kind of capacitor liquid injection device according to claim 1, it is characterised in that：The fluid injection chamber（4）Including upper
Lid（41）And pallet（42）, the upper cover（41）With the pallet（42）It is closed to form closed container；The fluid injection is taken over（3）
It is threaded through the upper cover（41）.
7. a kind of capacitor liquid injection device according to claim 6, it is characterised in that：The upper cover（41）Equipped with vacuumizing
Mouthful（43）, the vacuum orifice（43）It is connect with a vacuum pump.
8. a kind of capacitor liquid injection device described according to claim 6 or 7, it is characterised in that：The pallet（42）Equipped with use
In the placing groove for placing capacitor（44）.
9. a kind of capacitor liquid injection device according to claim 8, it is characterised in that：It further include mobile raceway（6）, described
Mobile raceway（6）Drive the pallet（42）Product is transported in the production line.
10. a kind of capacitor liquid injection device according to claim 9, it is characterised in that：It further include mobile cylinder（7）And liter
Sending down abnormally ascending cylinder（8）, the mobile cylinder（7）Drive the pallet（42）It is moved to the upper cover（41）Lower section, the lifting air
Cylinder（8）Push the pallet（42）It moves up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810406410.4A CN108447708A (en) | 2018-04-30 | 2018-04-30 | A kind of capacitor liquid injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810406410.4A CN108447708A (en) | 2018-04-30 | 2018-04-30 | A kind of capacitor liquid injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108447708A true CN108447708A (en) | 2018-08-24 |
Family
ID=63201986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810406410.4A Pending CN108447708A (en) | 2018-04-30 | 2018-04-30 | A kind of capacitor liquid injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108447708A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113658811A (en) * | 2021-07-14 | 2021-11-16 | 朱文涛 | Liquid injection device for capacitor |
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| CN206040806U (en) * | 2016-08-19 | 2017-03-22 | 重庆市中欣维动力科技有限公司 | Vacuum lithium battery electrolyte solutions annotates liquid machine |
| CN107195853A (en) * | 2017-06-30 | 2017-09-22 | 深圳市誉辰自动化设备有限公司 | Electrolyte automatic fluid injection equipment |
| CN208478166U (en) * | 2018-04-30 | 2019-02-05 | 东莞市士格电子机械有限公司 | A kind of capacitor liquid injection device |
-
2018
- 2018-04-30 CN CN201810406410.4A patent/CN108447708A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203367408U (en) * | 2013-04-23 | 2013-12-25 | 深圳市铂纳特斯自动化科技有限公司 | Automatic filling machine for cylindrical batteries |
| CN204088451U (en) * | 2014-09-11 | 2015-01-07 | 超源精密电子设备(东莞)有限公司 | A kind of cup type vacuum liquid filling system |
| CN104934239A (en) * | 2015-05-15 | 2015-09-23 | 东莞丰源锂能电池设备有限公司 | Supercapacitor automatic liquid injection machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113658811A (en) * | 2021-07-14 | 2021-11-16 | 朱文涛 | Liquid injection device for capacitor |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 523000 No. 2 Xitou East First Ring Road, Houjie Town, Dongguan City, Guangdong Province Applicant after: Dongguan Shige Electronics Group Co.,Ltd. Address before: 523000 No. 2 Workshop of Xitou Community Xitou Industrial Zone, Houjie Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN SHIGE ELECTRONIC MACHINERY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180824 |
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| WD01 | Invention patent application deemed withdrawn after publication |