CN106785747B - A kind of information safety computer interface entities - Google Patents
A kind of information safety computer interface entities Download PDFInfo
- Publication number
- CN106785747B CN106785747B CN201611064781.6A CN201611064781A CN106785747B CN 106785747 B CN106785747 B CN 106785747B CN 201611064781 A CN201611064781 A CN 201611064781A CN 106785747 B CN106785747 B CN 106785747B
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- lever
- slide
- interface
- storage medium
- movable storage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/04—Connectors or connections adapted for particular applications for network, e.g. LAN connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/06—Connectors or connections adapted for particular applications for computer periphery
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Storage Device Security (AREA)
Abstract
A kind of information safety computer interface entities, when the entity of network interface is inserted into, the first of first slide bar (HG1) pushes body (TDT1) to be pushed and drives the first slide bar (HG1) movement, to drive the second slide bar (HG2) by the effect of lever (GG), movement is that the entity available mode occlusion of movable storage medium interface is unavailable in the opposite direction, movable storage medium can not be inserted into, it is on the contrary, when movable storage medium network interface entity available mode occlusion and it is unavailable, thus realize movable storage medium insertion when suspension；For protecting information security.The beneficial effects of the present invention are movable storage medium insertions with regard to suspension, can prevent vital document from being stolen by wooden horse with the safety of Strengthens network.
Description
Technical field
A kind of computer field, and in particular to information safety computer interface entities.
Technical background
Secret unit is all high to information privacy and information security requirement, and computer virus, wooden horse are present information
The saboteur of safety, movable storage medium are indispensable office appliances, and movable storage medium is usually virus, wooden horse
The major reason for bringing secret unit into, it is viral, wooden horse if there is whether containing in a special killing movable storage medium
Computer carries out virus to movable storage medium every time, wooden horse killing can prevent movable storage medium from bringing virus into；
Computer antivirus is killed virus by antivirus software, and computer network security attacking and defending is the trial of strength of an information, usual black and white
All in the technology for constantly upgrading oneself, some virus can even kill antivirus software both sides, keep antivirus software ineffective
(for example famous Panda burning incense virus once made the antivirus software of the companies such as Rising, Kingsoft fail), so antivirus software is continuous
Upgrade extremely important, the antivirus software on computer in existing internal security network will usually pass through internal security network
It is connected to primary server to be upgraded, if the whether virulent special purpose computer of killing movable storage medium, be inserted into removable
If there is network while dynamic storage medium, then there are information channel, viruses between movable storage medium and primary server
It may be propagated in netting after destroying antivirus software to make antivirus software failure, it is also possible to preempt the leading biography of antivirus software movement
It broadcasts, if this will be provided to being connected on internal network to virus attack primary server when antivirus special purpose computer antivirus
Possible channel, so the killing special purpose computer of movable storage medium, needs to guarantee networking upgrading to update disease as soon as possible
Malicious library or antivirus software main program, it is also desirable to guarantee that movable storage medium insertion is dedicated computing chance suspension, antivirus is completed,
Observation analysis movable storage medium it is normal it is virus-free after allow movable storage medium to use in inside again, be conducive to intranet
Network safety, reduces a possibility that virus is brought in.USB flash disk suspension can prevent wooden horse, virus from stealing the letter in USB flash disk by PC
Breath prevents important information from being stolen by wooden horse, virus, and insertion USB flash disk is that automatic suspension can prevent from file from being stolen by wooden horse existing side by side
Issued by network.
Since virus, wooden horse are all the software run under system environments, if suspension mode is using in computer system
The software of operation is carried out, then the software can suffer from viral, wooden horse attack and fail, therefore take physics suspension, is cut completely
The disconnected mode for hindering channel is only really reliable.
Summary of the invention
1, a kind of information security implementation method, for the calculating with network interface, the hardware of movable storage medium interface
Machine and design, it is characterised in that：Network is all off when at least one movable storage medium interface is used on computer, real
Existing mode is implemented by physical method, computer meeting before message reference Path Setup between computer and movable storage medium
Network interface is disconnected, the movable storage medium interface on computer is prevented to be used simultaneously with network interface；Believe for protecting
Cease safeguard protection purposes.
2, a kind of computer has any one technical solution above-mentioned.
3, a kind of secure network has any one technical solution above-mentioned.
Technical effect.
The beneficial effects of the present invention are movable storage medium insertions with regard to suspension, can be with the safety of Strengthens network, energy
Enough prevent vital document from being stolen by wooden horse.
Detailed description of the invention
Fig. 1 is the schematic diagram of embodiment 1.
Fig. 2 is the schematic diagram of embodiment 2.
Fig. 3 is the schematic diagram of embodiment 3.
Fig. 4 is the schematic diagram of embodiment 4.
Fig. 5 is the schematic diagram of embodiment 5.
Specific embodiment
Embodiment 1, such as Fig. 1, a kind of information safety computer interface entities, for network interface, removable Storage
The computer of the hardware of Media Interface Connector and design, it is characterised in that：The entity of network interface is fixed on computers, moves and deposits
The entity of storage media interface is fixed on computers；
Also there is push rod (TG), guide groove (DXC), limited post (XWZ), pedestal (DZ), spring (TH), contact (CP)；
Pedestal (DZ), the entity of guide groove (DXC) are fixed on computers；
Network interface entity and the electronic circuit calculated between mainboard are controlled whether to be connected by contact (CP)；
Spring one end (TH) is contacted with the tail end of push rod (TG), and spring (TH) other end is contacted with pedestal (DZ)；
Limited post (XWZ) is located on push rod (TG), for preventing spring from popping up push rod (TG)；
Contact (CP), which is fixedly mounted, to be located on push rod (TG)；
When the entity of movable storage medium interface is inserted into USB flash disk, the movable storage medium interface front end of USB flash disk is pushed away
The front end compressed spring (TH) of bar (TG) makes contact (CP) to be detached from network interface entity and calculates the electronic circuit between mainboard, from
And realize suspension；
Computer will disconnect network interface before message reference Path Setup between computer and movable storage medium, prevent
Only the movable storage medium interface on computer is used simultaneously with network interface；For protecting information safety protection purposes.
Further 1：Push rod (TG) is adopted made of plastic.
Further 2：Push rod (TG) is made of metal.
Further 3：The cross section of guide groove (DXC) is rectangular.
Further 4：Limited post (XWZ) and push rod (TG) are integrated.
Further 5：Pedestal (DZ) is fixedly linked with mainboard.
Further 6：Contact (CP) is single metal product.
Further 7：The surface contact (CP) is coated with one layer of gold.
Further 8：Spring (TH) is helical spring.
Embodiment 2, such as Fig. 2, a kind of information safety computer interface entities, for network interface, removable Storage
The computer of the hardware of Media Interface Connector and design, it is characterised in that：The entity of network interface is fixed on computers, moves and deposits
The entity of storage media interface is fixed on computers；
Also there is the first slide bar (HG1), the second slide bar (HG2), lever (GG), the first guide groove (DXC1), the second guiding
Slot (DXC2), the first slide-bar (HZ1), the second slide-bar (HZ2)；
First guide groove (DXC1), the first slide bar (HG1), network interface entity, three is coaxial；
First slide bar (HG1) sliding in the first guide groove (DXC1)；
The front end of first slide bar (HG1) has first to push body (TDT1), and first pushes body (TDT1) can connect in network
It is moved in the entity of mouth, realizes the opening and occlusion of the physical connection of the entity of network interface；
Second guide groove (DXC2), the second slide bar (HG2), movable storage medium interface entity, three is coaxial；
Second slide bar (HG2) sliding in the second guide groove (DXC2)；
The front end of second slide bar (HG2) has second to push body (TDT2), and second pushes body (TDT2) can be removable
It is moved in the entity of storage medium interface, realizes the opening and occlusion of the physical connection of the entity of movable storage medium interface；
Lever (GG) has fulcrum shaft (ZDZ), the first slide opening (HK1), the second slide opening (HK2)；
The first slide opening (HK1) of lever (GG) is slot and is through-hole, the fluted shaft line of the first slide opening (HK1) of lever (GG)
It is overlapped with lever (GG) arm of force；
The second slide opening (HK2) of lever (GG) is slot and is through-hole, the fluted shaft line of the second slide opening (HK2) of lever (GG)
It is overlapped with lever (GG) arm of force；
The first slide opening (HK1) of lever (GG), the second slide opening (HK2) of lever (GG) are distributed in the fulcrum shaft of lever (GG)
(ZDZ) two sides；
The fluted shaft line of the fluted shaft line of the first slide opening (HK1) of lever (GG), the second slide opening (HK2) of lever (GG), the two
It is overlapped；
The axis of the fluted shaft line of the first slide opening (HK1) of lever (GG), the fulcrum shaft (ZDZ) of lever (GG), the two are coplanar
Vertically；
Axially bored line, the lever of the axially bored line of the first slide opening (HK1) of lever (GG), the second slide opening (HK2) of lever (GG)
(GG) axis of fulcrum shaft (ZDZ), three are parallel；
First slide-bar (HZ1) is fixedly linked with the first slide bar (HG1), and the first slide-bar (HZ1) can be the of lever (GG)
It is slided in one slide opening (HK1) along fluted shaft line；
Second slide-bar (HZ2) is fixedly linked with the second slide bar (HG2), and the second slide-bar (HZ2) can be the of lever (GG)
It is slided in two slide openings (HK2) along fluted shaft line；
The fixed line of the fulcrum shaft (ZDZ) and computer of lever (GG), lever (GG) can be rotated around fulcrum shaft (ZDZ)；
When the entity of USB is inserted into, the second of the second slide bar (HG2) pushes body (TDT2) to be pushed and drives the second slide bar
(HG2) it moves, to drive the first slide bar (HG1) by the effect of lever (GG), movement opens network interface reality in the opposite direction
Body disconnects network, thus suspension when realizing movable storage medium insertion；Information is visited between computer and movable storage medium
Computer will disconnect network interface before asking Path Setup, prevent movable storage medium interface and network interface on computer
It is used simultaneously；For protecting information safety protection purposes.
Further 1：First slide bar (HG1) is adopted made of plastic.
Further 2：Second slide bar (HG2) is made of metal.
Further 3：It is crotch shape that the first of first slide bar (HG1), which pushes body (TDT1),.
Further 4：Movable storage medium interface is USB interface.
Further 5：Network interface is the interface of RJ45 standard
Further 6：The fulcrum shaft (ZDZ) of lever (GG) is rotation connection.
Further 7：The both ends of the first slide opening (HK1) of lever (GG) are semicircle chamber.
Further 8：The both ends of the second slide opening (HK2) of lever (GG) are semicircle chamber.
Embodiment 3, such as Fig. 3, a kind of information safety computer interface entities, for network interface, network interface card, power supply,
The computer of movable storage medium interface and design, network interface is connected with network interface card, it is characterised in that：
Include touch switch (SW), current-limiting resistance (R), optocoupler (GO)；
The position touch switch (SW) closed type, touch switch (SW) device movable storage medium interface physically, when
The entity of movable storage medium interface can change touch switch (SW) state when being inserted into makes touch switch (SW) become disconnected
Open state；
One end of touch switch (SW) is connected with the anode of the emission side of optocoupler (GO), the other end of touch switch (SW) with
One direct current output point of the power supply of computer is connected；
The cathode of the emission side of optocoupler (GO) is connected to the place of computer power supply via current-limiting resistance (R)；
The supply pin of network interface card is connected to network interface card via the sensitive side of optocoupler (GO) and takes on the network interface card power supply point of electricity；
When the entity of movable storage medium interface is inserted into, touch switch (SW) is disconnected, the emission side of optocoupler (GO)
Stop shining, the sensitive side cut-off of optocoupler (GO), network interface card stops working, and network interface is not available；Computer is deposited with removable
Computer will disconnect network interface before message reference Path Setup between storage media, and the removable Storage on computer is prevented to be situated between
Matter interface is used simultaneously with network interface；For protecting information safety protection purposes.
Further 1：Current-limiting resistance (R) is fixed carbon resister.
Further 2：The resistance value that current-limiting resistance (R) is is 500 ohm.
Further 3：The direct current output node of the power supply for the computer that touch switch (SW) is connected to is 3.3V voltage
Node.
Further 4：Movable storage medium interface is USB interface.
Further 5：Network interface is the interface of RJ45 standard
Further 6：The entity of network interface card power supply point is a supply pin of PCI slot.
Further 7：The entity apparatus of optocoupler (GO) is on network interface card.
Embodiment 4, such as Fig. 4, a kind of information safety computer interface entities, for network interface, network interface card, network interface card electricity
Source point, movable storage medium interface computer and design, network interface is connected with network interface card, it is characterised in that：
Include touch switch (SW), current-limiting resistance (R), optocoupler (GO)；
The position touch switch (SW) closed type, touch switch (SW) device movable storage medium interface physically, when
The entity of movable storage medium interface can change touch switch (SW) state when being inserted into makes touch switch (SW) become disconnected
Open state；
The supply pin of network interface card is connected to network interface card via the sensitive side of optocoupler (GO) and takes on the network interface card power supply point of electricity；
One end of touch switch (SW) is connected with the cathode of the emission side of optocoupler (GO), the other end of touch switch (SW) with
The grounding leg of network interface card is connected；
The anode of the emission side of optocoupler (GO) is connected to the anode of the sensitive side of optocoupler (GO) via current-limiting resistance (R)；
When the entity of movable storage medium interface is inserted into, touch switch (SW) is disconnected, the emission side of optocoupler (GO)
Stop shining, the sensitive side cut-off of optocoupler (GO), network interface card stops working, and network interface is not available；Computer is deposited with removable
Computer will disconnect network interface before message reference Path Setup between storage media, and the removable Storage on computer is prevented to be situated between
Matter interface is used simultaneously with network interface；For protecting information safety protection purposes.
Further 1：Current-limiting resistance (R) is fixed carbon resister.
Further 2：The resistance value that current-limiting resistance (R) is is 500 ohm.
Further 3：The direct current output node of the power supply for the computer that touch switch (SW) is connected to is 3.3V voltage
Node.
Further 4：Movable storage medium interface is USB interface.
Further 5：Network interface is the interface of RJ45 standard
Further 6：The entity of network interface card power supply point is a supply pin of PCI slot.
Further 7：The entity apparatus of optocoupler (GO) is on network interface card.
Embodiment 5, such as Fig. 5, a kind of information safety computer interface entities, for network interface, network interface card power supply point,
Network interface card, movable storage medium interface computer and design, network interface is connected with network interface card, it is characterised in that：
Include touch switch (SW)；
The position touch switch (SW) closed type, touch switch (SW) device movable storage medium interface physically, when
The entity of movable storage medium interface can change touch switch (SW) state when being inserted into makes touch switch (SW) become disconnected
Open state；
The supply pin of network interface card is connected to via the sensitive side of optocoupler (GO)；
One end of touch switch (SW) takes the network interface card power supply point of electricity to be connected with network interface card, the other end and net of touch switch (SW)
The supply pin of card is connected；
When the entity of movable storage medium interface is inserted into, touch switch (SW) is disconnected, and network interface card power-off stops working,
Network interface is not available；Computer will disconnect net before message reference Path Setup between computer and movable storage medium
Network interface prevents the movable storage medium interface on computer to be used simultaneously with network interface；For protecting information security
Protect purposes.
Further 1：The operating voltage of the be connected to network interface card power supply point of touch switch (SW) is 5V voltage.
Further 2：Movable storage medium interface is USB interface.
Further 3：Network interface is the interface of RJ45 standard.
Further 4：The entity of network interface card power supply point is a supply pin of PCI slot.
Further 5：The entity apparatus of optocoupler (GO) is on network interface card.
Claims (9)
1. a kind of information safety computer interface entities, for the meter with network interface, the hardware of movable storage medium interface
Calculation machine and design, it is characterised in that：The entity of network interface is fixed on computers, the entity of movable storage medium interface is solid
Determine on computers；Also there is the first slide bar (HG1), the second slide bar (HG2), lever (GG), the first guide groove (DXC1), second
Guide groove (DXC2), the first slide-bar (HZ1), the second slide-bar (HZ2)；First guide groove (DXC1), the first slide bar (HG1), network
The entity of interface, three are coaxial；First slide bar (HG1) sliding in the first guide groove (DXC1)；The front end of first slide bar (HG1)
Body (TDT1) is pushed with first, first pushes body (TDT1) can move in the entity of network interface, realizes network interface
Entity physical connection opening and occlusion；Second guide groove (DXC2), the second slide bar (HG2), movable storage medium connect
The entity of mouth, three are coaxial；Second slide bar (HG2) sliding in the second guide groove (DXC2)；The front end of second slide bar (HG2) has
There is the second promotion body (TDT2), second pushes body (TDT2) can move in the entity of movable storage medium interface, realizes
The opening and occlusion of the physical connection of the entity of movable storage medium interface；There is lever (GG) fulcrum shaft (ZDZ), first to slide
Hole (HK1), the second slide opening (HK2)；The first slide opening (HK1) of lever (GG) is slot and is through-hole, and the first of lever (GG) is sliding
The fluted shaft line in hole (H K1) is overlapped with lever (GG) arm of force；The second slide opening (HK2) of lever (GG) is slot and is through-hole, lever
(GG) the fluted shaft line of the second slide opening (H K2) is overlapped with lever (GG) arm of force；The first slide opening (HK1), the lever of lever (GG)
(GG) the second slide opening (H K2) is distributed in the two sides of the fulcrum shaft (ZDZ) of lever (GG)；The first slide opening (HK1) of lever (GG)
Fluted shaft line, lever (GG) the second slide opening (HK2) fluted shaft line, the two be overlapped；The slot of the first slide opening (HK1) of lever (GG)
Axis, lever (GG) fulcrum shaft (ZDZ) axis, the two coplanar orthogonal；The hole axle of the first slide opening (HK1) of lever (GG)
Line, the axially bored line of the second slide opening (H K2) of lever (GG), lever (GG) fulcrum shaft (ZDZ) axis, three is parallel；First
Slide-bar (HZ1) is fixedly linked with the first slide bar (HG1), and the first slide-bar (HZ1) can be in the first slide opening (HK1) of lever (GG)
It is slided along fluted shaft line；Second slide-bar (HZ2) is fixedly linked with the second slide bar (HG2), and the second slide-bar (HZ2) can be at lever (GG)
The second slide opening (HK2) in along fluted shaft line slide；The fixed line of the fulcrum shaft (ZDZ) and computer of lever (GG), lever (GG)
It can be rotated around fulcrum shaft (ZDZ)；When the entity of movable storage medium interface is inserted into, the second of the second slide bar (HG2)
It pushes body (TDT2) to be pushed and drives the second slide bar (HG2) movement, so that the effect by lever (GG) drives the first slide bar
(HG1) movement opens network interface entity in the opposite direction, disconnects network, to realize disconnected when movable storage medium insertion
Net；Computer will disconnect network interface before message reference Path Setup between computer and movable storage medium, prevent from counting
Movable storage medium interface on calculation machine is used simultaneously with network interface；For protecting information safety protection purposes.
2. a kind of information safety computer interface entities as described in claim 1, it is characterised in that：First slide bar (HG1) is adopted
It is made of plastic.
3. a kind of information safety computer interface entities as described in claim 1, it is characterised in that：Second slide bar (HG2) is adopted
It is made of metal.
4. a kind of information safety computer interface entities as described in claim 1, it is characterised in that：First slide bar (HG1)
First pushes body (TDT1) for crotch shape.
5. a kind of information safety computer interface entities as described in claim 1, it is characterised in that：Movable storage medium connects
Mouth is USB interface.
6. a kind of information safety computer interface entities as described in claim 1, it is characterised in that：Network interface is RJ45 mark
Quasi-
Interface.
7. a kind of information safety computer interface entities as described in claim 1, it is characterised in that：The fulcrum shaft of lever (GG)
It (ZDZ) is rotation connection.
8. a kind of information safety computer interface entities as described in claim 1, it is characterised in that：The first of lever (GG) is sliding
The both ends in hole (HK1) are semicircle chamber.
9. a kind of information safety computer interface entities as described in claim 1, it is characterised in that：The second of lever (GG) is sliding
The both ends in hole (HK2) are semicircle chamber.
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| CN201611064781.6A CN106785747B (en) | 2016-11-28 | 2016-11-28 | A kind of information safety computer interface entities |
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| CN201611064781.6A CN106785747B (en) | 2016-11-28 | 2016-11-28 | A kind of information safety computer interface entities |
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| CN106785747B true CN106785747B (en) | 2018-11-27 |
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| CN201479143U (en) * | 2009-09-17 | 2010-05-19 | 北京鼎普科技股份有限公司 | Intranet safety management system |
| CN201707675U (en) * | 2010-06-24 | 2011-01-12 | 深圳市利谱信息技术有限公司 | Computer isolation card |
| CN203616757U (en) * | 2013-11-25 | 2014-05-28 | 福州大学阳光学院 | Computer with information safety device |
| KR101559529B1 (en) * | 2013-12-17 | 2015-10-14 | 안창훈 | An apparatus for link-locking usb port |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201479143U (en) * | 2009-09-17 | 2010-05-19 | 北京鼎普科技股份有限公司 | Intranet safety management system |
| CN201707675U (en) * | 2010-06-24 | 2011-01-12 | 深圳市利谱信息技术有限公司 | Computer isolation card |
| CN203616757U (en) * | 2013-11-25 | 2014-05-28 | 福州大学阳光学院 | Computer with information safety device |
| KR101559529B1 (en) * | 2013-12-17 | 2015-10-14 | 안창훈 | An apparatus for link-locking usb port |
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Effective date of registration: 20181016 Address after: 318000 No. 12, No. 1, Fengyang paving village, Xinqiao Town, Luqiao District, Taizhou, Zhejiang. Applicant after: Xu Chaohui Address before: 311300 Hangzhou, Zhejiang, Ling'an City, Jincheng Street, Heng Jie Village 9 groups of 20 Applicant before: Chen Dandan |
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Effective date of registration: 20190711 Address after: Room 208, 2nd floor, No. 599 Gaojing Road, Qingpu District, Shanghai 201700 Patentee after: SHANGHAI V&G INFORMATION TECHNOLOGY CO.,LTD. Address before: Room 1202, No. 19, 1168 Lane, Tongchuan Road, Putuo District, Shanghai, 2003 Patentee before: Wu Jia Effective date of registration: 20190711 Address after: Room 1202, No. 19, 1168 Lane, Tongchuan Road, Putuo District, Shanghai, 2003 Patentee after: Wu Jia Address before: 318000 No. 12, No. 1, Fengyang paving village, Xinqiao Town, Luqiao District, Taizhou, Zhejiang. Patentee before: Xu Chaohui |