CN110504570A - A kind of flexible microcircuit switching device to float - Google Patents
A kind of flexible microcircuit switching device to float Download PDFInfo
- Publication number
- CN110504570A CN110504570A CN201910788062.6A CN201910788062A CN110504570A CN 110504570 A CN110504570 A CN 110504570A CN 201910788062 A CN201910788062 A CN 201910788062A CN 110504570 A CN110504570 A CN 110504570A
- Authority
- CN
- China
- Prior art keywords
- wirerope
- pedestal
- mounting hole
- positioning pin
- bracket
- 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.)
- Granted
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 50
- 241001237732 Microtia Species 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000010354 integration Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/91—Coupling devices allowing relative movement between coupling parts, e.g. floating or self aligning
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
Landscapes
- Aerials With Secondary Devices (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The invention discloses a kind of flexible microcircuit switching devices to float, including bracket, positioning pin, pedestal, wirerope, dielectric-slab；Including bracket, positioning pin, pedestal, wirerope, dielectric-slab.Pedestal upper end install medium plate, two sides are designed with positioning pin and wirerope at the lower end of the stand, and the lower end of positioning pin and wirerope is all mounted on the base, and spring is cased with outside positioning pin；Every two pedestal lower end side connects on a pedestal.Positioning pin is to be flexibly connected with bracket, is to be fixedly connected with pedestal, and wirerope is to be fixedly connected with bracket with pedestal.The design of spring guarantees the redundancy and pressing force in blindmate direction, and passes through the connected limitation of wirerope, plays the function of position constraint.Wirerope realizes the fixed constraint of bracket and pedestal simultaneously, while meeting the requirement of flexible floating.
Description
Technical field
The present invention relates to a kind of flexible microcircuit switching devices to float, belong to microwave technical field.
Background technique
Microcircuit is widely used in electronic apparatus system, is responsible for the high speed transmission of signals of high density and high quality.With
Connectors for Active Phased Array Radar antenna microwave system of new generation develop towards high-power, multi-functional, highly integrated direction, equipment in front
Narrow space, system integration complexity is higher and higher, while suitable to the applicability, reliability and environment of microcircuit switching device
The requirement of answering property is also higher and higher, and vertical interconnection becomes crucial problem between high-speed transfer connected vertically and microwave module between plate.
For the demand of electronic equipment, redundancy height, good reliability, modularized design are increasingly becoming microcircuit switching
The basic trend of device.Current switching device realizes the flexible blindmate design floated seldom, especially needs in dielectric-slab high-precision
The occasion of degree pressing contact.
Summary of the invention
Against the above deficiency the present invention provides a kind of flexible microcircuit switching device to float, realize radial and axial
Flexibility, which is floated, to be adjusted, and not only achievees the purpose that redundancy height is connected with high-precision, while also achieving quick-replaceable and design expansion
Exhibition, convenient for safeguarding and reuse.The microcircuit switching device that this flexibility is floated can satisfy a variety of application demands, especially be situated between
Scutum needs the occasion of high-precision pressing contact, and using three-dimensional float design, radial amount of floating can be according to the cooperation of positioning pin
Gap adjustment, axial amount of floating can realize that redundancy is high, good reliability by designing the spring of different decrements.
In order to solve problem above, present invention employs following technical solutions: providing a kind of flexible micro- electricity to float
Road switching device, which is characterized in that including bracket, positioning pin, pedestal, wirerope, dielectric-slab；Including bracket, positioning pin, bottom
Seat, wirerope, dielectric-slab.Pedestal upper end install medium plate, two sides are designed with positioning pin and wirerope, positioning pin at the lower end of the stand
It is all mounted on the base with the lower end of wirerope, spring is cased with outside positioning pin；Every two pedestal lower end side connects a pedestal
On.Positioning pin is to be flexibly connected with bracket, is to be fixedly connected with pedestal, and wirerope is to be fixedly connected with bracket with pedestal.Spring
Design guarantee the redundancy and pressing force in blindmate direction, and by the connected limitation of wirerope, play the function of position constraint.
Wirerope realizes the fixed constraint of bracket and pedestal simultaneously, while meeting the requirement of flexible floating.
The pedestal upper end is equipped with positioning column and dielectric-slab mounting hole, and dielectric-slab is installed positioning column and realized by diagonally opposing corner to be situated between
The guiding and positioning action of scutum installation.Dielectric-slab mounting hole is used for install medium plate, designs assembling easy to disassemble in this way.
Bracket middle part is cavity, can not only arrange cable, but also provide for the installation of dielectric-slab connection and provide behaviour
Make space, while playing the role of loss of weight.
Pedestal lower end is equipped with overhanging big ear connecting plate and microtia connecting plate, and two big ear connecting plate and microtia connecting plate are equal
For angie type is arranged；The mesopore and wirerope mounting hole I of detent fit are equipped on big ear connecting plate, in microtia connecting plate
On also be provided with wirerope mounting hole I.Setting is not only convenient for modular extension splicing in this way, maximumlly utilizes space, reduces
Volume mitigates weight, and is also convenient for the installation of positioning pin.By the gap surplus of the mesopore of detent fit, realize radial
Floating, guarantee switching device radial direction redundancy.
The pedestal generally T-type, neck two sides are arc；Y direction is equipped with positioning pin mounting hole, pedestal among pedestal
Upper end two sides are equipped with wirerope mounting hole II, and neck cambered design provides bigger operating space for the installation of wirerope.
Described wirerope one end passes through wirerope mounting hole I, sets on a steel cord and positioned at the upper end of wirerope mounting hole I
Limited block, lower end are equipped with equipped with the hex screw with through-hole, hex screw one end leads to after passing through wirerope mounting hole I with limited block
It crosses screw thread to be attached, such assembling mode is guaranteeing that wirerope is fixed simultaneously, assembles convenient for fast quick-detach.
The pedestal is equipped with wirerope mounting hole II, and the wirerope other end passes through wirerope mounting hole II, in wirerope
Lower end that is upper and being located at wirerope mounting hole II is provided with limited block, upper end is equipped with the hex screw with through-hole, hex screw one
End is attached with limited block by screw thread after wirerope mounting hole II, designs assembling easy to disassemble in this way.
The cavity of the bracket is equipped with opening, the arrangement for cable of being more convenient for and observation and bracket is made to have error-preventive design.
The spring of the every side of bracket is preferably two, plays preferably support balanced action.
Compared with the prior art, the present invention has the following beneficial effects:
The present invention is cooperated by the constraint of positioning pin, realizes the flexible float design of large redundancy, can be prevented multistage blind
Planar Mechanisms caused by inserting.
Spring of the present invention can make dielectric-slab meet the synchronous contact under different pressure forces, such as be manually pressed together or Pneumatic pressure
It closes.
Wirerope of the present invention realizes the fixed constraint of bracket and pedestal, while meeting the requirement of flexible floating.
Bracket and pedestal of the present invention meet the layout cabling of cable, and structure type is Ke Kuaisugenghuan and design extends, can be real
Existing Modularized dismounting, convenient for safeguarding and reuse.
Apparatus of the present invention can realize the high-precision pressure of dielectric-slab while guaranteeing that three-dimensional is floated within the scope of redundancy
It closes.Over all Integration degree is high, very light weight, meets the requirement of microwave system redundancy height, Highgrade integration.
In the high-precise synchronization contact technique, LSI testing, chip testing application of radar micro-system circuit
There is broad prospect of application in equal fields.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the flexible microcircuit switching device to float；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the perspective view of Fig. 1；
Fig. 5 is the structural schematic diagram of bracket；
Fig. 6 is the side view of Fig. 5；
Fig. 7 is the top view of Fig. 5；
Fig. 8 is the bottom view of Fig. 5；
Fig. 9 is the structural schematic diagram of pedestal；
Figure 10 is the side view of Fig. 9；
Figure 11 is the top view of Fig. 9；
Figure 12 is the bottom view of Fig. 9；
Figure 13 is the structural schematic diagram of wirerope combination installation；
Figure 14 is the structural schematic diagram of hex screw；
Figure 15 is Figure 14 top view；
Figure 16 is the sectional view of Figure 14.
Wherein, 1 it is bracket, 2 be positioning pin, 3 be spring, 4 be pedestal, 5 be wirerope, 6 be dielectric-slab, 7 is connecting plate；
1-1 is the mesopore of detent fit, 1-2 is dielectric-slab installation positioning column, 1-3 is dielectric-slab mounting hole, 1-4 is wirerope peace
Dress hole I, 1-5 are cavity, and 1-6 is big ear connecting plate, 1-7 is microtia connecting plate, 1-8 is carrier openings；4-1 is positioning pin flange
Fixation hole, 4-2 are positioning pin fixation hole, 4-3 is wirerope mounting hole II, 4-4 is neck, 4-5 is interface board connecting hole, 4-6
Interface panel connecting column；5-1 is limited block, 5-2 is hex screw, 5-3 is through-hole.
Specific embodiment
The present invention is further elaborated below.
As shown in Fig. 1 to 16, the present invention provides a kind of flexible microcircuit switching devices to float, including bracket 1, positioning
Pin 2, pedestal 4, wirerope 5, dielectric-slab 6.1 upper end install medium plate 6 of bracket is designed with 2 He of positioning pin in 1 lower end two sides of bracket
The lower end of wirerope 5, positioning pin 2 and wirerope 5 is all mounted on pedestal 4, and spring 3 is cased with outside positioning pin；Under every two bracket
Side is held to connect on a pedestal 4.Positioning pin 2 is to be flexibly connected with bracket 1, is to be fixedly connected with pedestal 4, wirerope 5 and branch
Frame 1 is to be fixedly connected with pedestal 4.
As shown in Fig. 5 to 8,1 upper end of bracket is equipped with dielectric-slab and installs positioning column 1-2 and dielectric-slab mounting hole 1-3, is situated between
Scutum installs positioning column 1-2 limit on bracket 1 by dielectric-slab, then passes through dielectric-slab mounting hole 1-3 by screw and be mounted on
1 upper end of bracket.Dielectric-slab may be designed to multiple interfaces form, and such as hair button, the forms such as spring needle are particularly suitable for needing high-precision
It spends under the requirement of pressing.
1 middle part of bracket is cavity 1-5, for arranging cable.1 lower end two sides of bracket are equipped with overhanging big ear connecting plate 1-
6 and microtia connecting plate 1-7, ear connecting plate 1-6 and microtia connecting plate 1-7 two big be to angie type be arranged；In big ear connecting plate
The mesopore 1-1 and I 1-4 of wirerope mounting hole that 1-6 is equipped with detent fit are arranged on big ear connecting plate 1-6, small
It also is provided with I 1-4 of wirerope mounting hole on ear connecting plate 1-7, opening 1-8 is additionally provided on the cavity of bracket 1.
As shown in Fig. 9 to 12, the pedestal 4 generally T-type, the two sides neck 4-4 are arc；The intermediate Y direction of pedestal 4 is set
There is positioning pin mounting hole 4-2,4 upper end two sides of pedestal are equipped with II 4-3 of wirerope mounting hole.Positioning pin flange is additionally provided on pedestal 4
Fixation hole, positioning pin flange are connected on pedestal 4 by positioning pin flange fixation hole.
After positioning pin 2 passes through the mesopore 1-1 of detent fit, upper spring 3 is covered, positioning pin mounting hole 4-2 is then passed through, and
It is fixed by positioning pin flange.
Interface board (or test board) is positioned by interface panel connecting column 4-6, is inserted into interface board connecting hole by screw
Interface board is fixed on 4 lower end two sides of pedestal by 4-5.
As shown in Figure 13 to 16, described 5 one end of wirerope passes through I 1-4 of wirerope mounting hole, on wirerope 5 and is located at
The upper end of I 1-4 of wirerope mounting hole is provided with limited block 5-1, lower end is equipped with the hex screw 5-2 with through-hole 5-3, hex screw
The one end 5-2 is attached with limited block 5-1 by screw thread after passing through I 1-4 of wirerope mounting hole.
The pedestal 4 is equipped with II 4-3 of wirerope mounting hole, and 5 other end of wirerope passes through II 4-3 of wirerope mounting hole,
Limited block 5-1 is provided on wirerope 5 and positioned at the lower end of II 4-3 of wirerope mounting hole, upper end is equipped with the hexagonal with through-hole
Screw 5-2, the one end hex screw 5-2 are attached with limited block 5-1 by screw thread after passing through II 4-3 of wirerope mounting hole.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of flexible microcircuit switching device to float, which is characterized in that including bracket, positioning pin, pedestal, wirerope, Jie
Scutum；Pedestal upper end install medium plate, two sides are designed with positioning pin and wirerope at the lower end of the stand, under positioning pin and wirerope
End is all mounted on the base, and spring is cased with outside positioning pin；Every two pedestal lower end side connects on the same pedestal；Positioning pin with
Bracket is to be flexibly connected, and is to be fixedly connected with pedestal, and wirerope is to be fixedly connected with bracket with pedestal.
2. a kind of flexible microcircuit switching device to float according to claim 1, which is characterized in that the pedestal upper end
Equipped with dielectric-slab mounting hole；Bracket middle part is cavity；Pedestal lower end be equipped with overhanging big ear connecting plate and microtia connecting plate, two
A big ear connecting plate and microtia connecting plate are that angie type is arranged；On big ear connecting plate equipped with detent fit mesopore and
One wirerope mounting hole I is arranged on big ear connecting plate, and a wirerope mounting hole I also is provided on microtia connecting plate.
3. a kind of flexible microcircuit switching device to float according to claim 2, which is characterized in that the pedestal is whole
For T-type, neck two sides are arc；Y direction is equipped with positioning pin mounting hole among pedestal, and pedestal upper end two sides are pacified equipped with wirerope
Fill hole II.
4. a kind of flexible microcircuit switching device to float according to claim 2, which is characterized in that the wirerope one
End is provided with limited block on a steel cord and positioned at the upper end of wirerope mounting hole I, lower end is equipped with across wirerope mounting hole I
Hex screw with through-hole, hex screw one end are attached with limited block by screw thread after passing through wirerope mounting hole I.
5. a kind of flexible microcircuit switching device to float according to claim 1, which is characterized in that set on the pedestal
There is wirerope mounting hole II, the wirerope other end passes through wirerope mounting hole II, on a steel cord and is located at wirerope mounting hole
The lower end of II is provided with limited block, upper end is equipped with the hex screw with through-hole, and hex screw one end passes through wirerope mounting hole II
It is attached afterwards with limited block by screw thread.
6. a kind of flexible microcircuit switching device to float according to claim 1, which is characterized in that the pedestal upper end
Positioning column is installed equipped with dielectric-slab.
7. a kind of flexible microcircuit switching device to float according to claim 1, which is characterized in that the chamber of the bracket
Body is equipped with opening.
8. a kind of flexible microcircuit switching device to float according to claim 1, which is characterized in that the bracket is every
Side is provided with two springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910788062.6A CN110504570B (en) | 2019-08-26 | 2019-08-26 | Flexible floating microcircuit switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910788062.6A CN110504570B (en) | 2019-08-26 | 2019-08-26 | Flexible floating microcircuit switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110504570A true CN110504570A (en) | 2019-11-26 |
| CN110504570B CN110504570B (en) | 2020-09-22 |
Family
ID=68589434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910788062.6A Active CN110504570B (en) | 2019-08-26 | 2019-08-26 | Flexible floating microcircuit switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110504570B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465184A (en) * | 2020-04-02 | 2020-07-28 | 苏州浪潮智能科技有限公司 | PCB mutual insertion plate capable of floating connection |
| CN114792904A (en) * | 2022-03-31 | 2022-07-26 | 上海精积微半导体技术有限公司 | Connector for chip test in floating butt joint |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005129453A (en) * | 2003-10-27 | 2005-05-19 | Smk Corp | Connector with floating structure |
| US20060105603A1 (en) * | 2004-11-18 | 2006-05-18 | Atsushi Nishio | Floating connector |
| CN1869711A (en) * | 2005-02-04 | 2006-11-29 | 捷讯研究有限公司 | Probe assembly with multi-directional freedom of motion and mounting assembly therefor |
| US20070167083A1 (en) * | 2006-01-13 | 2007-07-19 | Advantest Corporation | Connector housing block, interface member and electronic device testing apparatus |
| CN202231261U (en) * | 2011-09-28 | 2012-05-23 | 普天新能源有限责任公司 | Floating connecting device of electric automobile power battery box |
| CN106532303A (en) * | 2015-09-10 | 2017-03-22 | 贵州航天电器股份有限公司 | Floating plug-in electrical connector |
| CN206789797U (en) * | 2017-05-25 | 2017-12-22 | 临沂矿业集团有限责任公司 | A kind of electrical connection arrangement |
| CN207020253U (en) * | 2017-05-18 | 2018-02-16 | 中国电子科技集团公司第十四研究所 | A kind of active phase array antenna mechanical-electric coupling test system |
-
2019
- 2019-08-26 CN CN201910788062.6A patent/CN110504570B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005129453A (en) * | 2003-10-27 | 2005-05-19 | Smk Corp | Connector with floating structure |
| US20060105603A1 (en) * | 2004-11-18 | 2006-05-18 | Atsushi Nishio | Floating connector |
| CN1869711A (en) * | 2005-02-04 | 2006-11-29 | 捷讯研究有限公司 | Probe assembly with multi-directional freedom of motion and mounting assembly therefor |
| US20070167083A1 (en) * | 2006-01-13 | 2007-07-19 | Advantest Corporation | Connector housing block, interface member and electronic device testing apparatus |
| CN202231261U (en) * | 2011-09-28 | 2012-05-23 | 普天新能源有限责任公司 | Floating connecting device of electric automobile power battery box |
| CN106532303A (en) * | 2015-09-10 | 2017-03-22 | 贵州航天电器股份有限公司 | Floating plug-in electrical connector |
| CN207020253U (en) * | 2017-05-18 | 2018-02-16 | 中国电子科技集团公司第十四研究所 | A kind of active phase array antenna mechanical-electric coupling test system |
| CN206789797U (en) * | 2017-05-25 | 2017-12-22 | 临沂矿业集团有限责任公司 | A kind of electrical connection arrangement |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465184A (en) * | 2020-04-02 | 2020-07-28 | 苏州浪潮智能科技有限公司 | PCB mutual insertion plate capable of floating connection |
| CN114792904A (en) * | 2022-03-31 | 2022-07-26 | 上海精积微半导体技术有限公司 | Connector for chip test in floating butt joint |
| CN114792904B (en) * | 2022-03-31 | 2023-12-29 | 上海精积微半导体技术有限公司 | Connector for chip test of floating butt joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110504570B (en) | 2020-09-22 |
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Effective date of registration: 20210113 Address after: Room 1401, 14 / F, block a, building 1, Guorui building, No. 359, Jiangdong Middle Road, Jianye District, Nanjing City, Jiangsu Province, 210019 Patentee after: Nanjing Guorui Defense System Co.,Ltd. Address before: 210000 8 Guorui Road, Yuhuatai District, Nanjing, Jiangsu Province Patentee before: CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION NO. 14 Research Institute |
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