CN107813369A - Handset front case and its processing method, mobile phone and lathe - Google Patents
Handset front case and its processing method, mobile phone and lathe Download PDFInfo
- Publication number
- CN107813369A CN107813369A CN201711044119.9A CN201711044119A CN107813369A CN 107813369 A CN107813369 A CN 107813369A CN 201711044119 A CN201711044119 A CN 201711044119A CN 107813369 A CN107813369 A CN 107813369A
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- China
- Prior art keywords
- front case
- handset front
- machine tools
- light
- processing method
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/16—Perforating by tool or tools of the drill type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/006—Producing casings, e.g. accumulator cases
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention provides a kind of handset front case and its processing method, mobile phone and lathe, wherein, processing method, including:By steel plate and injection molding, the handset front case with plastic areas is obtained;Handset front case is fixed on CNC drilling processing machine tools;Start CNC drilling processing machine tools, the cutter on CNC drilling processing machine tools is formed light-conductive hole in plastic areas.By technical scheme, light-conductive hole is overcome on existing handset front case the processing difficulties on mould the problem of so that the pillar on mould is not easy to be thrust, it is possible to achieve the volume production of handset front case, reduces production cost, improves processing efficiency.
Description
Technical field
The present invention relates to Cellphone Accessories technical field, and in particular to a kind of processing method of handset front case, one kind is adopted
The handset front case made of above-mentioned processing method, a kind of mobile phone using above-mentioned handset front case and a kind of CNC drilling processing machine tools.
Background technology
The hole that Mobile phone plastic makes above at present is typically molded on mould, but for some special holes, is such as being processed
During below 0.2mm superfine micropore, due to being molded under the high driving for projecting high pressure for general mobile phone shell, on mould
0.20mm pillar is easy to be thrust, and can not realize volume production.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art or correlation technique.
Therefore, first purpose of the present invention is to provide a kind of processing method of handset front case.
Second object of the present invention is to provide a kind of handset front case.
Third object of the present invention is to provide a kind of mobile phone.
Fourth object of the present invention is to provide a kind of lathe.
To achieve the above object, the technical scheme of first aspect present invention provides a kind of processing method of handset front case,
There is light-conductive hole, processing method includes on handset front case:By steel plate and injection molding, the mobile phone with plastic areas is obtained
Fore shell;Handset front case is fixed on CNC drilling processing machine tools;Start CNC drilling processing machine tools, make CNC drilling processing machine tools
On cutter light-conductive hole is formed in plastic areas.
In the technical scheme, by handset front case made of the above method, light-conductive hole on existing handset front case is overcome
The processing difficulties on mould the problem of so that the pillar on mould is not easy to be thrust, it is possible to achieve the volume production of handset front case, drop
Low production cost, improve processing efficiency.
In addition, the processing method of the handset front case in above-mentioned technical proposal provided by the invention can also have following add
Technical characteristic:
In the above-mentioned technical solutions, it is preferable that the rotating speed of CNC drilling processing machine tools is more than or equal to 150000r/min.
It is high using its rotating speed by using the machining tool of above-mentioned rotating speed in the technical scheme, fireballing feature,
The rapid drilling on handset front case is realized, and impulse- free robustness produces in boring procedure, machining accuracy is high, simplifies handset front case
Procedure of processing, process time is reduced, improve production efficiency, size is accurate, and then improves the yield rate of handset front case and qualified
Rate.
In any of the above-described technical scheme, it is preferable that the blade on cutter is process through CNC.
In the technical scheme, the sharpness of blade, Jin Erbao can be effectively ensured by using the CNC cutters processed
The dimensional accuracy for the light-conductive hole that card cutter drills out on handset front case, realizes the rapid drilling on handset front case, and drilling
Impulse- free robustness produces in journey.
In any of the above-described technical scheme, it is preferable that edge length is more than 0.6mm.
In the technical scheme, by using the blade more than 0.6mm, cutter can be effectively ensured and bored on handset front case
The dimensional accuracy of the light-conductive hole gone out, the rapid drilling on handset front case is realized, and impulse- free robustness produces in boring procedure.
In any of the above-described technical scheme, it is preferable that the diameter of light-conductive hole is less than or equal to 0.2mm.
In the technical scheme, above-mentioned processing method is processed to micro- less than or equal to 0.2mm on handset front case
Hole, such as light-conductive hole, light-conductive hole are overcome on existing handset front case the processing difficulties on mould the problem of so that the pillar on mould
It is not easy to be thrust, it is possible to achieve the volume production of handset front case, reduce production cost, improve processing efficiency.
In any of the above-described technical scheme, it is preferable that the operating pressure of CNC drilling processing machine tools be 1000MPa extremely
1200MPa。
In the technical scheme, by the machining tool of above-mentioned operating pressure, it is processed to be less than on handset front case
Or the micropore equal to 0.2mm, such as light-conductive hole, micropore is clear, and size is accurate, while overcomes light-conductive hole on existing handset front case and exist
On mould the problem of processing difficulties so that the pillar on mould is not easy to be thrust, it is possible to achieve the volume production of handset front case, reduce
Production cost, improve processing efficiency.
The technical scheme of second aspect of the present invention provides a kind of handset front case, including:Housing, there is plastic areas;Lead
Unthreaded hole, in plastic areas, light-conductive hole is used such as the processing method system of any technical scheme offer in first aspect present invention
Into.
In the technical scheme, handset front case is made of the processing method of first aspect present invention, it is possible to achieve mobile phone
The volume production of fore shell, production cost is reduced, improve processing efficiency, in addition, handset front case also has any skill of above-mentioned processing method
Art effect, will not be repeated here.
In addition, the handset front case in above-mentioned technical proposal provided by the invention can also have following additional technical feature:
In the above-mentioned technical solutions, it is preferable that a diameter of of light-conductive hole is less than or equal to 0.2mm.
In the technical scheme, by using the light-conductive hole less than or equal to 0.2mm, meeting light-conductive hole condition of work
Under the premise of, it is smaller, and then the area of handset front case shared by light-conductive hole is reduced, meet the needs of handset front case miniaturization, lead
The processing of unthreaded hole is simpler, and precision is higher.
The technical scheme of third aspect present invention provides a kind of mobile phone, including such as any technology in second aspect of the present invention
The handset front case that scheme provides.
In the technical scheme, mobile phone has the handset front case of second aspect of the present invention, has to the element of interior of mobile phone
Water proof and dust proof and other effects, in addition, mobile phone also has any technique effect of above-mentioned handset front case, it will not be repeated here.
The technical scheme of fourth aspect present invention provides a kind of lathe, and lathe is any technology in first aspect present invention
The CNC drilling processing machine tools that scheme provides;CNC drilling processing machine tools specifically include:Main body;Cutter, in main body, cutter tool
There is blade, the length of blade is more than 0.6mm.
In the technical scheme, lathe is the CNC drilling processing machine tools in the control method of first aspect present invention, is utilized
Its high rotating speed and the light-conductive hole for lengthening tool sharpening, size is accurate, realizes rapid drilling and impulse- free robustness.
The additional aspect and advantage of the present invention will become obvious in following description section, or the practice by the present invention
Recognize.
Brief description of the drawings
Fig. 1 shows the sectional view of handset front case according to one embodiment of present invention;
Fig. 2 shows the process flow diagram of the processing method of handset front case according to an embodiment of the invention;
Corresponding relations of the Fig. 1 into Fig. 2 between reference and component names be:
10 handset front cases, 20 light-conductive holes, 30 cutters.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be different from other modes described here using other to implement, therefore, protection scope of the present invention is not limited to following public affairs
The limitation for the specific embodiment opened.
The processing method of handset front case according to an embodiment of the invention is specifically described with reference to Fig. 1 to Fig. 2.
As shown in Figure 1 to Figure 2, the processing method of handset front case according to an embodiment of the invention, handset front case 10
Upper to have light-conductive hole 20, processing method includes:S100, by steel plate and injection molding, obtain the mobile phone with plastic areas
Fore shell 10;S200, handset front case 10 is fixed on CNC drilling processing machine tools;S300, start CNC drilling processing machine tools, make
Cutter 30 on CNC drilling processing machine tools forms light-conductive hole 20 in plastic areas.
In this embodiment, by handset front case 10 made of the above method, overcome guide-lighting on existing handset front case 10
Hole 20 is the processing difficulties on mould the problem of so that the pillar on mould is not easy to be thrust, it is possible to achieve handset front case 10
Volume production, production cost is reduced, improve processing efficiency.
In the above embodiment, it is preferable that the rotating speed of CNC drilling processing machine tools is more than or equal to 150000r/min.
In this embodiment, it is high using its rotating speed by using the machining tool of above-mentioned rotating speed, it is real the characteristics of speed block
Rapid drilling on existing handset front case 10, and impulse- free robustness produces in boring procedure, machining accuracy is high, simplifies handset front case 10
Procedure of processing, reduce process time, improve production efficiency, size is accurate, so improve handset front case 10 yield rate and
Qualification rate.
In any of the above-described embodiment, it is preferable that the blade on cutter 30 is process through CNC.
In this embodiment, the sharpness of blade, Jin Erbao can be effectively ensured by using the CNC cutters 30 processed
The dimensional accuracy for the light-conductive hole 20 that card cutter 30 drills out on handset front case 10, realizes the rapid drilling on handset front case 10, and
Impulse- free robustness produces in boring procedure.
In any of the above-described embodiment, it is preferable that edge length is more than 0.6mm.
In this embodiment, by using the blade more than 0.6mm, cutter 30 can be effectively ensured on handset front case 10
The dimensional accuracy of the light-conductive hole 20 drilled out, the rapid drilling on handset front case 10 is realized, and impulse- free robustness produces in boring procedure.
In any of the above-described embodiment, it is preferable that the diameter of light-conductive hole 20 is less than or equal to 0.2mm.
In this embodiment, above-mentioned processing method is processed to micro- less than or equal to 0.2mm on handset front case 10
Hole, such as light-conductive hole 20, light-conductive hole 20 is overcome on existing handset front case 10 the processing difficulties on mould the problem of so that on mould
Pillar be not easy to be thrust, it is possible to achieve the volume production of handset front case 10, reduce production cost, improve processing efficiency.
In any of the above-described embodiment, it is preferable that the operating pressure of CNC drilling processing machine tools be 1000MPa extremely
1200MPa。
In this embodiment, by the machining tool of above-mentioned operating pressure, it is processed to be less than on handset front case 10
Or the micropore equal to 0.2mm, such as light-conductive hole 20, micropore is clear, and size is accurate, while overcomes guide-lighting on existing handset front case 10
Hole 20 is the processing difficulties on mould the problem of so that the pillar on mould is not easy to be thrust, it is possible to achieve handset front case 10
Volume production, production cost is reduced, improve processing efficiency.
As shown in Fig. 2 handset front case according to an embodiment of the invention, including:Housing, there is plastic areas;Lead
Unthreaded hole, in plastic areas, light-conductive hole uses the processing method provided such as any of the above-described embodiment of the present invention to be made.
In this embodiment, handset front case is made of the processing method of first aspect present invention, it is possible to achieve before mobile phone
The volume production of shell 10, production cost is reduced, improve processing efficiency, in addition, handset front case 10 also has any of above-mentioned processing method
Technique effect, it will not be repeated here.
Mobile phone according to an embodiment of the invention, including the handset front case such as any of the above-described embodiment offer of the present invention
10。
In this embodiment, mobile phone has the handset front case 10 of second aspect of the present invention, has to the element of interior of mobile phone
Water proof and dust proof and other effects, in addition, mobile phone also has any technique effect of above-mentioned handset front case 10, it will not be repeated here.
Lathe according to an embodiment of the invention, the CNC drillings that lathe provides for any of the above-described embodiment of the present invention
Machining tool;CNC drilling processing machine tools specifically include:Main body;Cutter 30, in main body, cutter 30 has blade, blade
Length is more than 0.6mm.
In this embodiment, lathe is the CNC drilling processing machine tools in the control method of first aspect present invention, utilizes it
High rotating speed and the light-conductive hole 20 for lengthening the processing of cutter 30, size is accurate, realizes rapid drilling and impulse- free robustness.
Another aspect of the present invention additionally provides some embodiments of the processing method of handset front case 10, specifically:
Embodiment one
A kind of processing method of handset front case, there is light-conductive hole 20 on handset front case 10, processing method includes:By steel plate with
Injection molding, obtain the handset front case 10 with plastic areas;Handset front case 10 is fixed on CNC drilling processing machine tools
On;Start CNC drilling processing machine tools, the cutter 30 on CNC drilling processing machine tools is formed light-conductive hole 20 in plastic areas,
The rotating speed of CNC drilling processing machine tools is 160000r/min, and the blade on cutter 30 is process through CNC, edge length 0.9mm,
A diameter of 0.15mm of light-conductive hole 20, it is preferable that the operating pressure of CNC drilling processing machine tools is 1100MPa.
Embodiment two
A kind of processing method of handset front case, there is light-conductive hole 20 on handset front case 10, processing method includes:By steel plate with
Injection molding, obtain the handset front case 10 with plastic areas;Handset front case 10 is fixed on CNC drilling processing machine tools
On;Start CNC drilling processing machine tools, the cutter 30 on CNC drilling processing machine tools is formed light-conductive hole 20 in plastic areas,
The rotating speed of CNC drilling processing machine tools is 150000r/min, and the blade on cutter 30 is process through CNC, edge length
0.85mm, a diameter of 0.1mm of light-conductive hole 20, it is preferable that the operating pressure of CNC drilling processing machine tools is 1200MPa.
Embodiment three
A kind of processing method of handset front case, there is light-conductive hole 20 on handset front case 10, processing method includes:By steel plate with
Injection molding, obtain the handset front case 10 with plastic areas;Handset front case 10 is fixed on CNC drilling processing machine tools
On;Start CNC drilling processing machine tools, the cutter 30 on CNC drilling processing machine tools is formed light-conductive hole 20 in plastic areas,
The rotating speed of CNC drilling processing machine tools is 170000r/min, and the blade on cutter 30 is process through CNC, edge length 0.9mm,
A diameter of 0.17mm of light-conductive hole 20, the operating pressure of CNC drilling processing machine tools is 1000MPa.
Example IV
A kind of processing method of handset front case, there is light-conductive hole 20 on handset front case 10, processing method includes:By steel plate with
Injection molding, obtain the handset front case 10 with plastic areas;Handset front case 10 is fixed on CNC drilling processing machine tools
On;Start CNC drilling processing machine tools, the cutter 30 on CNC drilling processing machine tools is formed light-conductive hole 20 in plastic areas,
The rotating speed of CNC drilling processing machine tools is 160000r/min, and the blade on cutter 30 is process through CNC, and edge length is
1.6mm, a diameter of 0.1mm of light-conductive hole 20, it is preferable that the operating pressure of CNC drilling processing machine tools is 1200MPa.
Embodiment five
A kind of processing method of handset front case, there is light-conductive hole 20 on handset front case 10, processing method includes:By steel plate with
Injection molding, obtain the handset front case 10 with plastic areas;Handset front case 10 is fixed on CNC drilling processing machine tools
On;Start CNC drilling processing machine tools, the cutter 30 on CNC drilling processing machine tools is formed light-conductive hole 20 in plastic areas,
The rotating speed of CNC drilling processing machine tools is 160000r/min, and the blade on cutter 30 is process through CNC, and edge length is more than
1.5mm, such as 1.7mm or 2.0mm, a diameter of 0.1mm of light-conductive hole 20, it is preferable that the operating pressure of CNC drilling processing machine tools is
1200MPa。
Technical scheme is described in detail above in association with accompanying drawing, the invention provides a kind of handset front case 10 and its
Processing method, mobile phone and lathe, by using handset front case 10 made of the above method, high using the rotating speed of lathe, speed is fast
The characteristics of, the rapid drilling on handset front case 10 is realized, and impulse- free robustness produces in boring procedure, machining accuracy is high, simplifies
The procedure of processing of handset front case 10, process time is reduced, improve production efficiency, size is accurate, and then improves handset front case 10
Yield rate and qualification rate.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine at least one reality that specific features, structure, material or the feature that the embodiment or example describe are contained in the present invention
Apply in example or example.In this manual, identical implementation or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example with suitable
Mode combine.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of processing method of handset front case, there is light-conductive hole on the handset front case, it is characterised in that the processing method
Including:
By steel plate and injection molding, the handset front case with plastic areas is obtained;
The handset front case is fixed on CNC drilling processing machine tools;
Start CNC drilling processing machine tools, make described in the cutter on the CNC drilling processing machine tools formed in the plastic areas
Light-conductive hole.
2. the processing method of handset front case according to claim 1, it is characterised in that the CNC drilling processing machine tools
Rotating speed is more than or equal to 150000r/min.
3. the processing method of handset front case according to claim 2, it is characterised in that the blade on the cutter is through CNC
It is process.
4. the processing method of handset front case according to claim 3, it is characterised in that the edge length is more than 0.6mm.
5. the processing method of handset front case according to any one of claim 1 to 4, it is characterised in that the light-conductive hole
Diameter be less than or equal to 0.2mm.
6. the processing method of handset front case according to any one of claim 1 to 4, it is characterised in that the CNC drillings
The operating pressure of machining tool is 1000MPa to 1200MPa.
A kind of 7. handset front case, it is characterised in that including:
Housing, there is plastic areas;
Light-conductive hole, in the plastic areas, the light-conductive hole is using the processing as any one of claim 1 to 6
Method is made.
8. handset front case according to claim 7, it is characterised in that a diameter of of the light-conductive hole is less than or equal to
0.2mm。
9. a kind of mobile phone, it is characterised in that including handset front case as claimed in claim 7 or 8.
10. a kind of lathe, it is characterised in that the lathe is the CNC Drilling operation machines any one of claim 1 to 6
Bed;The CNC drilling processing machine tools specifically include:
Main body;
Cutter, in the main body, the cutter has blade, and the length of the blade is more than 0.6mm.
Priority Applications (1)
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CN201711044119.9A CN107813369A (en) | 2017-10-31 | 2017-10-31 | Handset front case and its processing method, mobile phone and lathe |
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CN201711044119.9A CN107813369A (en) | 2017-10-31 | 2017-10-31 | Handset front case and its processing method, mobile phone and lathe |
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Publication Number | Publication Date |
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Family
ID=61603091
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001232596A (en) * | 2000-02-23 | 2001-08-28 | Mitsubishi Alum Co Ltd | Drilling floor plate for printed board |
CN102189385A (en) * | 2011-05-19 | 2011-09-21 | 戴护民 | Composite manufacturing process for handy terminal exterior piece, and product thereof |
CN202004811U (en) * | 2010-11-26 | 2011-10-05 | 中兴通讯股份有限公司 | Front shell of mobile phone and mobile phone |
CN102974980A (en) * | 2012-11-26 | 2013-03-20 | 天津市中环高科技有限公司 | Multi-surface milling processing technology for injection molding piece of rear cover of mobile phone |
CN104023100A (en) * | 2014-06-26 | 2014-09-03 | 宇龙计算机通信科技(深圳)有限公司 | Mobile device and machine body front housing |
CN204414449U (en) * | 2014-12-15 | 2015-06-24 | 中环大成电子(天津)有限公司 | A kind of cutting machine for the processing of mobile phone moulding |
CN104785811A (en) * | 2015-05-11 | 2015-07-22 | 大族激光科技产业集团股份有限公司 | Micro-hole machining method |
CN105057975A (en) * | 2015-07-16 | 2015-11-18 | 广东欧珀移动通信有限公司 | Metal framework machining method |
CN204993518U (en) * | 2015-10-26 | 2016-01-20 | 博罗县东明化工有限公司 | Metal cell -phone backshell |
CN206003953U (en) * | 2016-08-19 | 2017-03-08 | 上海与德通讯技术有限公司 | Mobile terminal |
-
2017
- 2017-10-31 CN CN201711044119.9A patent/CN107813369A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001232596A (en) * | 2000-02-23 | 2001-08-28 | Mitsubishi Alum Co Ltd | Drilling floor plate for printed board |
CN202004811U (en) * | 2010-11-26 | 2011-10-05 | 中兴通讯股份有限公司 | Front shell of mobile phone and mobile phone |
CN102189385A (en) * | 2011-05-19 | 2011-09-21 | 戴护民 | Composite manufacturing process for handy terminal exterior piece, and product thereof |
CN102974980A (en) * | 2012-11-26 | 2013-03-20 | 天津市中环高科技有限公司 | Multi-surface milling processing technology for injection molding piece of rear cover of mobile phone |
CN104023100A (en) * | 2014-06-26 | 2014-09-03 | 宇龙计算机通信科技(深圳)有限公司 | Mobile device and machine body front housing |
CN204414449U (en) * | 2014-12-15 | 2015-06-24 | 中环大成电子(天津)有限公司 | A kind of cutting machine for the processing of mobile phone moulding |
CN104785811A (en) * | 2015-05-11 | 2015-07-22 | 大族激光科技产业集团股份有限公司 | Micro-hole machining method |
CN105057975A (en) * | 2015-07-16 | 2015-11-18 | 广东欧珀移动通信有限公司 | Metal framework machining method |
CN204993518U (en) * | 2015-10-26 | 2016-01-20 | 博罗县东明化工有限公司 | Metal cell -phone backshell |
CN206003953U (en) * | 2016-08-19 | 2017-03-08 | 上海与德通讯技术有限公司 | Mobile terminal |
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Application publication date: 20180320 |