CN107484405A - Mobile terminal and its circuit board assemblies - Google Patents
Mobile terminal and its circuit board assemblies Download PDFInfo
- Publication number
- CN107484405A CN107484405A CN201710896061.4A CN201710896061A CN107484405A CN 107484405 A CN107484405 A CN 107484405A CN 201710896061 A CN201710896061 A CN 201710896061A CN 107484405 A CN107484405 A CN 107484405A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- cabling
- electrically connected
- radome
- mobile terminal
- 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
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
- H05K9/0022—Casings with localised screening of components mounted on printed circuit boards [PCB]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board assembly
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
- H05K9/0022—Casings with localised screening of components mounted on printed circuit boards [PCB]
- H05K9/0024—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Signal Processing (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a kind of circuit board assemblies, the circuit board assemblies include circuit board, cabling, are electrically connected with part and shielding part, and cabling is set on circuit boards；The device that part is used to connect circuit board and circuit board perimeter is electrically connected with, the projection of part on circuit boards is electrically connected with and is at least partly overlapped with cabling；Shielding part is arranged on cabling and is electrically connected between part, for the interference for shielding cabling and being electrically connected between part.The invention also discloses a kind of mobile terminal.By the above-mentioned means, interfering between the cabling that the present invention can avoid being electrically connected with part and circuit board.
Description
Technical field
The present invention relates to electronic device field, more particularly to a kind of mobile terminal and its circuit board assemblies.
Background technology
At present, the mobile terminal such as smart mobile phone has turned into the necessity of people's life, the various functions of mobile terminal also layer
Go out not poor.
It would generally be disturbed between device or signal connecting line inside mobile terminal, for example, antenna is mobile whole
The important devices of receiving and transmitting signal are held, designing antenna cabling, the display screen of mobile terminal are usually required on the circuit board of mobile terminal
Generally it is also required to be connected with antenna and carries out showing signal transmission, easily occurs between cabling and connection display screen and connector dry
Disturb, display that can be to antenna correlation function or display screen produces harmful effect.
The content of the invention
The embodiment of the present invention provides a kind of mobile terminal and its circuit board assemblies, can avoid cabling with being electrically connected with part
Interfere.
The embodiment of the present invention use a technical scheme be：A kind of circuit board assemblies, the circuit board assemblies include：Circuit
Plate；Cabling, set on circuit boards；Part is electrically connected with, for connecting the device of circuit board and circuit board perimeter, is electrically connected with part
Projection on circuit boards at least partly overlaps with cabling；Shielding part, it is arranged on cabling and is electrically connected between part, for shielding
Cabling and the interference being electrically connected between part.
The embodiment of the present invention use another technical scheme be：A kind of mobile terminal is provided, the mobile terminal is included eventually
It is above-mentioned circuit board assemblies to hold main body and circuit board assemblies, circuit board assemblies.
The beneficial effects of the invention are as follows：The embodiment of the present invention is by setting circuit board assemblies to include：Circuit board；Cabling, if
Put on circuit boards；Part is electrically connected with, for connecting the device of circuit board and circuit board perimeter, part is electrically connected with and is set adjacent to cabling
Put；Shielding part, it is arranged on cabling and is electrically connected between part, for the interference for shielding cabling and being electrically connected between part, avoid
Cabling is with being electrically connected with interfering for part.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the cross section structure schematic diagram of the circuit board assemblies of first embodiment of the invention；
Fig. 2 is the cross section structure schematic diagram of the circuit board assemblies of second embodiment of the invention；
Fig. 3 is the cross section structure schematic diagram of the circuit board assemblies of third embodiment of the invention；
Fig. 4 is the schematic diagram of mobile terminal of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.It is understood that specific embodiment described herein is only used for explaining the present invention, rather than the limit to the present invention
It is fixed.It also should be noted that for the ease of description, part related to the present invention illustrate only in accompanying drawing and not all knot
Structure.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Term " first ", " second " in the present invention etc. are to be used to distinguish different objects, rather than specific suitable for describing
Sequence.In addition, term " comprising " and " having " and their any deformations, it is intended that cover non-exclusive include.Such as comprising
The step of process of series of steps or unit, method, system, product or equipment are not limited to list or unit, and
It is alternatively also to include the step of not listing or unit, or alternatively also includes for these processes, method, product or equipment
Intrinsic other steps or unit.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can wrap in conjunction with the embodiments
In at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Referring to Fig. 1, Fig. 1 is the cross section structure schematic diagram of the circuit board assemblies of first embodiment of the invention.In this implementation
In example, circuit board assemblies include：Circuit board 10, cabling 11, it is electrically connected with part 12 and shielding part 13.
Circuit board 10 can be the main circuit board of mobile terminal.Circuit board 10 can be PCB (Printed Circuit
Board, printed circuit board (PCB)).Other circuit boards in other embodiments or in other mobile terminals, the present invention are real
Example is applied not limit this.
Cabling 11 is set on the circuit board 10.Specifically, cabling 11 is arranged on the surface of circuit board 10.
Cabling 11 can be metal routing, and cabling 11 can be the cabling related to antenna.For example, believe for transmission antenna
Number cabling.In other embodiments, cabling 11 can also use other materials.
It is electrically connected with part 12 to be used to connect circuit board 10 and the device on the periphery of circuit board 10, is electrically connected with part 11 in circuit board
Projection on 10 at least partly overlaps with cabling 11.
Alternatively, it can be flexible PCB (Flexible Printed Circuit abbreviation FPC) to be electrically connected with part 12,
It is electrically connected with the display screen that part 12 is used to connect circuit board 10 and mobile terminal.Specifically, can be set on flexible PCB
There is wire, wire is connected between circuit board 10 and the display screen of mobile terminal.In other embodiments, being electrically connected with part 12 can
To be flexible PCB, board to board connector for being connected between other two devices etc..
The top of cabling 11 can be arranged on by being electrically connected with part 12, and be electrically connected with the projection of part 11 on the circuit board 10 extremely
Small part overlaps with cabling 11, and when being laid out to mobile terminal internals, being electrically connected with putting for part 12 need not get around
Cabling 11, but cabling 11 and the interference being electrically connected between part 12 are shielded by shielding part.Alternatively, it is wide to be electrically connected with part 12
Degree is electrically connected with the projection of part 12 on the circuit board 10 and cabling 11 is completely covered more than the width of cabling 11.
Shielding part 13 be arranged on cabling 11 and be electrically connected with part 12 between, for shield cabling 11 be electrically connected with part 12 it
Between interference.
Alternatively, in the present embodiment, shielding part 13 is to set on the circuit board 10 and cover at the radome of cabling 11
13。
Alternatively, radome 13, which has, is used for the connecting portion that be connected with circuit board 10, and connecting portion is towards on the inside of radome 13
Bending.
For example, radome 13 includes roof 130 and the first side wall 131 and second sidewall with the bending connection of roof 130
132, the first side wall 131 and second sidewall 132 bend connection with roof 130 at two opposite edges of roof 130 respectively.
The first side wall 131 and second sidewall 132 are oppositely arranged.Bending connection can be that vertical bending connects or in the curved of other angles
Folding connection, the embodiment of the present invention are not limited this.
Radome 13 can also include the first connecting portion with one end bending connection of the first side wall 11 away from roof 130
133 and with second sidewall 12 away from roof 130 one end bending connection second connecting portion 134.
Alternatively, first connecting portion 133 and second connecting portion 134 are bent to the inner side of radome 13.In other words, first
Connecting portion 133 and second connecting portion 134 are to being oppositely arranged the first side wall 131 and the interior lateral bending close to each other of second sidewall 132
Folding.Because cabling 11 is smaller compared to width for electronic component, first can be accommodated using the space 13 inside radome 13
Connecting portion 133 and second connecting portion 134, and then the arrangement space of the circuit board 10 shared by radome 13 can be saved.
Radome 13 is connected by first connecting portion 133 with circuit board 10, for example, first connecting portion 133 is the first leg,
Second connecting portion 134 is the second leg.First connecting portion 133 is welded on the circuit board 10, and second connecting portion 134 is welded on circuit
On plate 10.
In other embodiments, the connected mode of radome 13 and circuit board 10 can be not limited to described in the present embodiment
Welding, such as can be bonded by glue or the mode such as snap connection.The shape of radome 13 or construction can be not limited to this
Structure described in embodiment, for example, four side walls or connecting portion can be included to bending on the outside of radome.
Radome 13 can be metal material, in other embodiments, or other have the material of shielding action,
The embodiment of the present invention is not limited this.
The shape of radome 13 can be strip, and the direction of the length direction of the radome 13 of strip along cabling 12 is set
Put.
Referring to Fig. 2, Fig. 2 is the cross section structure schematic diagram of the circuit board assemblies of second embodiment of the invention.
In the present embodiment, circuit board assemblies include：Circuit board 20, cabling 21, it is electrically connected with part 22 and shielding part 23.
Circuit board 20 can be the main circuit board of mobile terminal.
Cabling 21 is arranged on circuit board 20.Specifically, cabling 21 is arranged on the surface of circuit board 20.
Cabling 21 can be metal routing, and cabling 21 can be the cabling related to antenna.For example, believe for transmission antenna
Number cabling.
Part 22 is electrically connected with to be used to connect circuit board 20 and the device on the periphery of circuit board 20.
Alternatively, it can be flexible PCB (Flexible Printed Circuit abbreviation FPC) to be electrically connected with part 22,
It is electrically connected with the display screen that part 22 is used to connect circuit board 20 and mobile terminal.Wire can be provided with flexible PCB, is led
Line is connected between circuit board 20 and the display screen of mobile terminal.
The top of cabling 21 can be arranged on by being electrically connected with part 22, and be electrically connected with projection of the part 21 on circuit board 20 extremely
Small part overlaps with cabling 21, and when being laid out to mobile terminal internals, being electrically connected with putting for part 22 need not get around
Cabling 11, but cabling 11 and the interference being electrically connected between part 12 are shielded by shielding part.
Shielding part 23 be arranged on cabling 21 and be electrically connected with part 22 between, for shield cabling 21 be electrically connected with part 22 it
Between interference.
Alternatively, in the present embodiment, shielding part 23 is to be arranged on the screen for being electrically connected with part 22 close to the surface of cabling 21
Cover layer 23.
For example, the material of screen layer 23 can be electromagnetic shielding material, electromagnetic shielding material is coated on and electrically connected
Fitting 22 forms screen layer 23 after the surface moisture volatilization of cabling 21.
In other embodiments, screen layer 23 can be arranged on cabling 21 on the surface of electric connection part 22, or,
Being electrically connected with part 22 screen layer is respectively provided with close to the surface of cabling 21 and cabling 21 close to the surface for being electrically connected with part 22.
Referring to Fig. 3, Fig. 3 is the cross section structure schematic diagram of the circuit board assemblies of third embodiment of the invention.
In the present embodiment, circuit board assemblies include：Circuit board 30, cabling 31, it is electrically connected with part 32 and shielding part 33.
Circuit board 30 can be the main circuit board of mobile terminal.
Cabling 31 is arranged on circuit board 30.Specifically, cabling 31 is arranged on the surface of circuit board 30.
Cabling 31 can be metal routing, and cabling 31 can be the cabling related to antenna.For example, believe for transmission antenna
Number cabling.
Part 32 is electrically connected with to be used to connect circuit board 30 and the device on the periphery of circuit board 30.
Alternatively, it can be flexible PCB (Flexible Printed Circuit abbreviation FPC) to be electrically connected with part 32,
It is electrically connected with the display screen that part 32 is used to connect circuit board 30 and mobile terminal.
The top of cabling 31 can be arranged on by being electrically connected with part 32, and be electrically connected with projection of the part 31 on circuit board 30 extremely
Small part overlaps with cabling 31, and when being laid out to mobile terminal internals, being electrically connected with putting for part 32 need not get around
Cabling 31.
Shielding part 33 be arranged on cabling 31 and be electrically connected with part 32 between, for shield cabling 31 be electrically connected with part 32 it
Between interference.
Alternatively, in the present embodiment, shielding part 33 includes being arranged on circuit board 30 and covering at the shielding of cabling 31
Cover 331 and be arranged on the screen layer 332 for being electrically connected with part 32 close to the surface of cabling 31.
Alternatively, it is electrically connected with part 31 and radome 331 is bonded in close to the surface for being electrically connected with part 31 by screen layer 332
On.
Radome 331 includes roof 3310 and the first side wall 3311 and second sidewall with the bending connection of roof 3310
3312, the first side wall 3311 and second sidewall 3312 are bent with roof 3310 at two opposite edges of roof 3310 respectively
Connection.The first side wall 3311 and second sidewall 3312 are oppositely arranged.Bending connection can be that vertical bending connects or in other
The bending connection of angle, the embodiment of the present invention are not limited this.
Radome 331 can also include the first connection with one end bending connection of the first side wall 3311 away from roof 3310
Portion 3313 and the second connecting portion 3314 with one end bending connection of the second sidewall 3312 away from roof 3310.
Alternatively, first connecting portion 3313 and second connecting portion 3314 are bent to the inner side of radome 331.In other words,
First connecting portion 3313 and second connecting portion 3314 are to being oppositely arranged the first side wall 3311 and second sidewall 3312 is close to each other
Inner side bending.Because cabling 31 is smaller compared to width for electronic component, can be held using the space inside radome 331
Receive first connecting portion 3313 and second connecting portion 3314, and then the layout of the circuit board 30 shared by radome 331 can be saved
Space.
Radome 331 is connected by first connecting portion 3313 with circuit board 30, for example, first connecting portion 3313 is the first weldering
Pin, second connecting portion 3314 are the second leg.First connecting portion 3313 is welded on circuit board 30, and second connecting portion 3314 is welded
On circuit board 30.
In other embodiments, the connected mode of radome 331 and circuit board 30 can be not limited to described in the present embodiment
Welding, such as can be bonded by glue or the mode such as snap connection.The shape of radome 331 or construction can be not limited to
Structure described in the present embodiment, for example, four side walls or connecting portion can be included to bending on the outside of radome.
Radome 331 can be metal material, in other embodiments, or other have the material of shielding action
Matter, the embodiment of the present invention are not limited this.
The shape of radome 331 can be strip, and the length direction of the radome 331 of strip is set along the direction of cabling
Put.
The material of screen layer 332 can be electromagnetic shielding material, because electromagnetic shielding material is in itself with stronger
Cohesive, it can will be electrically connected with part 32 and be bonded on the roof 3310 of radome 331.On the one hand shielding action can be played,
On the other hand, the stability of mobile terminal internals can be improved, avoids being electrically connected with rocking for part 32.
In assembling, one layer of electromagnetic shielding material is first coated with the roof 3310 of radome 331, then will electrically be connected
Fitting 32 is close on roof 3310, after the moisture evaporation of electromagnetic shielding material, is bonded in and is electrically connected with part 32 and roof
Screen layer 332 between 3310 is molded.
In other embodiments, the material of screen layer 332 can also be the mixture of electromagnetic shielding material and adhesive,
So as to increase the bonding strength for being electrically connected with part 32 and radome 331.
In other embodiments, together with screen layer 332 can be not attached to radome 331, but keep therebetween
Certain gap.
Referring to Fig. 4, Fig. 4 is the schematic diagram of mobile terminal of the present invention.In the present embodiment, mobile terminal includes terminal master
Body 41, circuit board assemblies 42, display screen 43, circuit board assemblies 42 are the circuit board assemblies described in above-mentioned any one embodiment.
Alternatively, the electric connection part described in above-mentioned any one embodiment is used to connect circuit board and display screen 43.Example
Such as, it is the flexible PCB being connected between circuit board and display screen 43 to be electrically connected with part, is used for for example, being electrically connected with part from electricity
Road plate transmits power supply and display signal to display screen 43.
Alternatively, mobile terminal can be tablet personal computer, mobile phone, electronic reader, remote control, personal computer
(Personal Computer, PC), notebook computer, mobile unit, Web TV, wearable device etc. have network function
Smart machine.
The embodiment of the present invention is by setting circuit board assemblies to include：Circuit board；Cabling, set on circuit boards；Electrically connect
Fitting, for connecting the device of circuit board and circuit board perimeter, it is electrically connected with part and is set adjacent to cabling；Shielding part, is arranged on away
Line and be electrically connected with part between, for shield cabling and be electrically connected with part between interference, so as to avoid cabling with electrically
Connector interferes.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, it is included within the scope of the present invention.
Claims (10)
1. a kind of circuit board assemblies, it is characterised in that the circuit board assemblies include：
Circuit board；
Cabling, it is arranged on the circuit board；
Part is electrically connected with, for connecting the device of the circuit board and the circuit board perimeter, the electric connection part is described
Projection on circuit board at least partly overlaps with the cabling；
Shielding part, it is arranged between the cabling and the electric connection part, for shielding the cabling and the electric connection
Interference between part.
2. circuit board assemblies according to claim 1, it is characterised in that the shielding part is to be arranged on the circuit board
And cover at the radome of the cabling.
3. circuit board assemblies according to claim 2, it is characterised in that the radome, which has, to be used for and the circuit board
The connecting portion of connection, the connecting portion are bent towards radome inner side.
4. circuit board assemblies according to claim 1, it is characterised in that the shielding part is to be arranged on the electric connection
Screen layer of the part close to the surface of the cabling.
5. circuit board assemblies according to claim 1, it is characterised in that the shielding part includes being arranged on the circuit board
Above and cover at the radome of the cabling and be arranged on screen layer of the electric connection part close to the surface of the cabling.
6. circuit board assemblies according to claim 5, it is characterised in that the electric connection part is glued by the screen layer
The radome is connected on the surface of the electric connection part.
7. circuit board assemblies according to claim 1, it is characterised in that the electric connection part is flexible PCB.
8. circuit board assemblies according to claim 1, it is characterised in that the cabling is the cabling related to antenna.
9. a kind of mobile terminal, it is characterised in that the mobile terminal includes terminal body and circuit board assemblies, the circuit board
Component is the circuit board assemblies described in claim 1-8 any one.
10. mobile terminal according to claim 9, it is characterised in that the mobile terminal further comprises display screen, institute
State and be electrically connected with part for connecting the circuit board and the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710896061.4A CN107484405B (en) | 2017-09-27 | 2017-09-27 | Mobile terminal and circuit board assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710896061.4A CN107484405B (en) | 2017-09-27 | 2017-09-27 | Mobile terminal and circuit board assembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107484405A true CN107484405A (en) | 2017-12-15 |
| CN107484405B CN107484405B (en) | 2020-01-03 |
Family
ID=60604821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710896061.4A Active CN107484405B (en) | 2017-09-27 | 2017-09-27 | Mobile terminal and circuit board assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107484405B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108633170A (en) * | 2018-06-25 | 2018-10-09 | 维沃移动通信有限公司 | A kind of printed circuit-board assembly and electronic equipment |
| CN113823911A (en) * | 2021-09-28 | 2021-12-21 | 华勤技术股份有限公司 | Antenna anti-interference structure, mobile terminal and assembling method of antenna anti-interference structure |
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| CN201332543Y (en) * | 2008-12-27 | 2009-10-21 | 深圳华为通信技术有限公司 | Printed circuit board |
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| CN2655589Y (en) * | 2003-10-13 | 2004-11-10 | 上海华仕德电路技术有限公司 | Flexible printed circuitboard |
| CN101442895A (en) * | 2007-11-23 | 2009-05-27 | 青岛海信电器股份有限公司 | Method for shielding circuit board and electronic equipment applying the method |
| CN201332543Y (en) * | 2008-12-27 | 2009-10-21 | 深圳华为通信技术有限公司 | Printed circuit board |
| CN202059725U (en) * | 2011-05-12 | 2011-11-30 | 康佳集团股份有限公司 | Electromagnetic compatibility (EMC) shielding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108633170A (en) * | 2018-06-25 | 2018-10-09 | 维沃移动通信有限公司 | A kind of printed circuit-board assembly and electronic equipment |
| CN113823911A (en) * | 2021-09-28 | 2021-12-21 | 华勤技术股份有限公司 | Antenna anti-interference structure, mobile terminal and assembling method of antenna anti-interference structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107484405B (en) | 2020-01-03 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant before: Guangdong Opel Mobile Communications Co., Ltd. |
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