CN203157018U - Magnetic core component for magnetic card magnetic head and magnetic card magnetic head - Google Patents
Magnetic core component for magnetic card magnetic head and magnetic card magnetic head Download PDFInfo
- Publication number
- CN203157018U CN203157018U CN 201320020392 CN201320020392U CN203157018U CN 203157018 U CN203157018 U CN 203157018U CN 201320020392 CN201320020392 CN 201320020392 CN 201320020392 U CN201320020392 U CN 201320020392U CN 203157018 U CN203157018 U CN 203157018U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- magnetic core
- core set
- clamper
- card
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Magnetic Heads (AREA)
Abstract
The utility model provides a magnetic core component for a magnetic card magnetic head and a magnetic card magnetic head. The magnetic core component comprises a magnetic core group and a clamping device which is integrally molded with the magnetic core group. The magnetic card magnetic head comprises a magnetic core component, a coil, a clearance piece, a shielding shell and a wiring terminal led from the coil, wherein the magnetic core component consists of the magnetic core group and the clamping device which is integrally molded with the magnetic core group. According to the provided magnetic core component and the magnetic card magnetic head, the magnetic core group serves as an insert, the magnetic core group and the clamping device are integrally molded through the injection molding mode, so that the production process of the magnetic card magnetic head is simplified, the production efficiency is improved, and the manual cost and the production cost are saved; and moreover, the bulk, dislocation and other bad phenomena which are easily generated when the thin and small magnetic core group is combined together are avoided, and the ideal yield of the product is guaranteed.
Description
Technical field
The utility model relates to the Magnetographic Technology field, especially, relates to a kind of core assembly and magnetic card magnetic head of magnetic card magnetic head.
Background technology
The magnetic card magnetic head is the critical component of magnetic card machine, and it undertakes the most important transformation that information records and takes out between system's magnetic card.At present, the magnetic card magnetic head all has application in all trades and professions, sells mark bill system etc. automatically as access magnetic card, attendance checking system, door prison system, fuel loading system, coded lock, the subway of card phone, banking system.
Structural representation with reference to magnetic card magnetic head shown in Figure 1 comprises some magnetic core set 12, metal clamper 11, line bag 13, spacer shims 14, shielding case 15, binding post 16.The assemble method of existing magnetic card magnetic head is: the sheet magnetic core that looses builds up some magnetic core set 12, be fixed in the groove of metal clamper 11 formation, line bag 13 and spacer shims 14 are assemblied in the upper and lower part of clamper 11 respectively, form the magnetic head group of class transformer device structure, conductively-closed shell 15 entangles then, jackscrew passes 17 fixations of top wire hole of the side of shielding case, and remaining space uses resin to fill in the shielding case 15, exposes terminal 16 on the line bag 13.
Magnetic core set is as the most critical parts of magnetic card magnetic head, and its assembling process is the critical process that influences magnetic card magnetic head product quality and production efficiency.The general magnetic core set that needs more than 2 of magnetic card magnetic head, each magnetic core set is made up of several diffusing sheet magnetic cores, and concrete quantity is decided by shape, thickness and the product type of magnetic core.The sheet magnetic core that looses is sheet parts, and size is less, for marshalling, indeformable after the assurance composition magnetic core set, need fix with clamper.In the prior art, the clamper that magnetic core set 12 is generally made by metal material is fixedly formed core assembly.In the assembling procedure of whole magnetic card magnetic head, the assembling procedure of core assembly is: the operating personnel adopts instruments such as tweezers that the diffusing sheet magnetic core of some is clamped, and puts into the magnetic core groove of metal clamper 11; Operating personnel's use compresses machinery magnetic core set 12 is compressed in the metal clamper, and magnetic core set 12 and metal clamper 11 are assembled together, and finishes the assembling of core assembly.
In prior art magnetic core set and the clamper assembly process, artificially participate in morely, cause production efficiency not high.And, because magnetic core set and clamper are the parts of difference moulding, the magnetic core multi-disc stacks, and the integral thickness scattered error is bigger, make magnetic core set in that sheet, dislocation or press bad phenomenon such as not going into groove easily take place to loose when magnetic core groove on the metal clamper cooperates, cause the product yields of magnetic card magnetic head not high.
In a word, need the urgent technical problem that solves of those skilled in the art to be exactly: how can reduce manually-operated, to enhance productivity, and the loose generation of bad phenomenon such as sheet and dislocation of magnetic core in stopping to produce, improve the yields of magnetic card magnetic head.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of core assembly of magnetic card magnetic head, can effectively simplify the production process of magnetic card magnetic head, raises the efficiency and reduces production costs.
In order to address the above problem, provide a kind of core assembly on the one hand, comprise magnetic core set and with the clamper of this magnetic core set integrated injection molding.
Preferably, described magnetic core set is fixed together by the diffusing sheet of some magnetic cores.
Preferably, described magnetic core set is loose the sheet laser weld together by some magnetic cores.
Preferably, the appearance and size margin of tolerance of described core assembly is ± 0.03mm.
Preferably, the position dimension margin of tolerance of described magnetic core set is ± 0.02mm.
Preferably, the bottom surface error of perpendicularity scope of the side of described magnetic core set and clamper is no more than 20 fens.
On the other hand, the utility model also provides a kind of magnetic card magnetic head, comprise: core assembly, line bag, spacer shims, shielding case and the binding post of drawing from the line bag, wherein, described core assembly is formed by magnetic core set with the clamper of described magnetic core set integrated injection molding.
Preferably, the magnetic core set of described core assembly is fixed together by the diffusing sheet of some magnetic cores.
Preferably, the magnetic core set of described core assembly is loose the sheet laser weld together by some magnetic cores.
Preferably, the bottom surface error of perpendicularity scope of the side of described magnetic core set and described clamper is no more than 20 fens.
Compared with prior art, a technical scheme in the technique scheme has the following advantages:
The core assembly that the utility model provides, with magnetic core set as inserts by the injection moulding mode with magnetic core set and clamper integrated injection molding, not only simplified the production technology of magnetic card magnetic head, improved production efficiency, and human cost and production cost have been saved, and bad phenomenon such as the diffusing sheet that easily produces when the magnetic core set of having stopped Bao Erxiao lumps together, dislocation have guaranteed the yields that product is desirable.
Description of drawings
Fig. 1 is the structural representation of existing magnetic card magnetic head;
Fig. 2 is the flow chart of the core assembly production method embodiment one of the utility model magnetic card magnetic head;
Fig. 3 is the vertical view of the assembly tooling of the utility model core assembly production method embodiment employing;
Fig. 4 is the structural representation of the utility model clamper mold cavity embodiment;
Fig. 5 is the structural representation of the utility model core assembly embodiment;
Fig. 6 is the flow chart of production method embodiment two of the core assembly of the utility model magnetic card magnetic head.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
At first introduce the production method embodiment of the core assembly of a kind of magnetic card magnetic head that the utility model provides, with reference to Fig. 2, show the flow chart of production method embodiment one of the core assembly of the utility model magnetic card magnetic head, comprising:
Among the utility model embodiment, in order accurately magnetic core set to be placed mold cavity, adopted assembly tooling shown in Figure 3, with reference to the vertical view of the assembly tooling of adopting among the utility model core assembly production method embodiment shown in Fig. 3, a slip gauge then panel design some magnetic core set pilot holes 30 are arranged.Magnetic core set pilot hole 30 is used for the fixed magnetic core group, and its position is the inserts fixed position of corresponding mold cavity one by one.The mold cavity that the corresponding assembling of assembly tooling shown in Figure 3 one mould is eight.That is, to producing eight core assemblies after the mold cavity injection moulding of placing inserts, each core assembly is that magnetic core set and clamper are one-body molded.
In this step 21, the grouping of magnetic core set can be artificial grouping, also can adopt mode such as mechanical touch sense to carry out the magnetic core grouping.
The concrete operations of step 21 can be: cylinder drives magnetic core set carrying frock and walks along slide rail, cooperates the double push-material bar that the magnetic core set on two guide rails is pressed into each pilot hole 30 respectively.After filling magnetic core set, cylinder piston drives magnetic core set carrying frock and moves to the mold cavity top along slide rail, and compressing rod is depressed, and magnetic core set is pressed into the inserts fixed bit of mold cavity.
With reference to Fig. 4, show the structural representation of the utility model clamper mold cavity.Treat that magnetic core set is pressed into after the magnetic core set fixed bit 40, carry out injection moulding by 41 pairs of mold cavities of charging aperture.
After step 23, the cooling, obtain magnetic core set and the integrated core assembly of clamper.With reference to Fig. 5, show the structural representation that adopts the utility model core assembly embodiment that above-mentioned operation makes, comprise magnetic core set 52 and with the clamper 51 of its integrated injection molding.
Many dissimilar article all can be used as inserts, comprise cable, connector, spring and nut etc.Stud with metal insert in injection-molded finished and be for the working strength that improves plastic product and the practical application that increases finished product as improvement electric conductivity or convenient and being connected of other part etc.At above-mentioned principle and the characteristic of inserts forming technique, the utility model is incorporated into this technology in the prioritization scheme of magnetic core set assembling clamper, utilizes the one-body molded assembling process that realizes magnetic core set and clamper of mould.
Need to prove, clamper mold cavity embodiment shown in Figure 4 is fit to 3 magnetic core set and clamper integrated injection molding, only be used for the structure of signal clamper mold cavity, should not be construed as the restriction that clamper mold cavity provided by the invention is suitable for magnetic core set quantity.
As seen, adopt the production method embodiment of the core assembly of the utility model magnetic card magnetic head, need not to produce separately clamper, after injection mo(u)lding, clamper and inserts are closely linked, and have also omitted simultaneously and have compressed technology, save lot of manpower and material resources, improved production efficiency.In addition, because clamper of the prior art adopts metal material to make, and the utility model adopts plastics to form clamper, has effectively saved production cost of products.
With reference to Fig. 6, show the schematic flow sheet of production method embodiment two of the core assembly of the utility model magnetic card magnetic head, comprising:
Magnetic core set after step 61, employing laser welding technology will divide into groups is carried out laser weld;
Can adopt the CCD optical detection apparatus to divide into groups, position and the quality of detection laser welding simultaneously.
Are step 63, the above-mentioned magnetic core set of detection laid in above-mentioned clamper mold cavity and are put in place? if, execution in step 64, if not, then execution in step 65;
After step 66, the cooling, obtain magnetic core set and the integrated core assembly of clamper.
Whether in the above-mentioned steps 63, can adopt optical detection apparatus such as CCD detection arrangement monitors magnetic core set to lay in the clamper die cavity and put in place, whether mode that also can machinery contact perception detects magnetic core set and lays in the clamper mold cavity and put in place.
In the above-mentioned steps 64, for increasing work efficiency, can adopt rotating disk three station vertical injection molding machines to carry out injection moulding.Can certainly adopt the injection machine of other quantity stations such as single station or double to carry out injection moulding work, difference only is the efficient difference.
The utility model embodiment two has increased the step of the magnetic core set after the grouping being carried out laser weld on the basis of embodiment one, has effectively avoided magnetic core set that the bad phenomenon such as sheet, dislocation of loosing take place before injection moulding, has further improved yield of products.Simultaneously, also increase the detection magnetic core set and before injection step, whether in the clamper mold cavity, whether laid the step that puts in place as inserts, further guaranteed yield of products.
Those skilled in the art should know, the embodiment described in the specification all belongs to preferred embodiment, and related action and module might not be that the utility model is necessary.
The production method of the core assembly of corresponding above-mentioned magnetic card magnetic head, the utility model also provides a kind of core assembly, structural representation with reference to the utility model core assembly embodiment shown in Figure 5, this core assembly is by aforementioned production method production, place integrated injection molding in the clamper mold cavity by magnetic core set 52, clamper 51 is injection moulded products.Magnetic core set 52 and clamper 51 integrated injection moldings, appearance and size tolerance are ± 0.03mm not have distortion, no burr.The magnetic core set exposed face does not have glue and covers.Magnetic core set 52 position dimension tolerances are ± 0.02mm, magnetic core set side and the clamper bottom surface error of perpendicularity 20 ' in.Because later process need be ground the magnetic core set upper surface, the clamper bottom surface is as fixed datum, and flatness requires in the 0.005mm.
Preferably, the magnetic core set predetermined fixed in the core assembly links together, preferably by laser weld together, and as inserts and clamper integrated injection molding.
Accordingly, the utility model provides a kind of magnetic card magnetic head, comprises core assembly, line bag, spacer shims shielding case and the binding post of extending out from the line bag, wherein, above-mentioned core assembly by magnetic core set as inserts and clamper integrated injection molding.The assemble method of magnetic card magnetic head is: behind magnetic core set and the clamper integrated injection molding, line bag and spacer shims are assemblied in the upper and lower part of clamper respectively, form the magnetic head group of class transformer device structure, the conductively-closed valve jacket is lived then, the top wire hole that jackscrew passes the side of shielding case plays fixation, remaining space uses resin to fill in the shielding case, and line is wrapped and exposed binding post.
Preferably, the magnetic core set of above-mentioned core assembly with the injection moulding of clamper one before, the diffusing sheet of some magnetic cores that magnetic core set is comprised is fixed together, preferably weld together bad phenomenon such as the diffusing sheet that easily produces when the magnetic core set that can stop Bao Erxiao lumps together, dislocation by laser welding technology.
In a word, in the production method of the core assembly that the utility model provides, with magnetic core set as inserts by the injection moulding mode with magnetic core set and clamper integrated injection molding.Not only simplified the production technology of magnetic card magnetic head, improved production efficiency, and saved human cost and production cost, and bad phenomenon such as the diffusing sheet that easily produces when lumping together of the magnetic core set of having stopped Bao Erxiao, dislocation, the yields that product is desirable guaranteed.Be conducive to realize the full-automatic operation of magnetic core combination, effectively saved human resources, reduced labour cost, improved production efficiency of products.Adopt laser soldering device that magnetic core set is welded together, guarantee that each magnetic core closely contacts, effectively avoided the dislocation of magnetic core set, the sheet that looses, improved yield of products.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
More than to a kind of core assembly provided by the utility model and comprise the magnetic card magnetic head of this assembly, be described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (10)
1. a core assembly is characterized in that, comprise magnetic core set and with the clamper of this magnetic core set integrated injection molding.
2. core assembly according to claim 1 is characterized in that, described magnetic core set is fixed together by the diffusing sheet of some magnetic cores.
3. core assembly according to claim 2 is characterized in that, described magnetic core set is loose the sheet laser weld together by some magnetic cores.
4. according to the arbitrary described core assembly of claim 1 to 3, it is characterized in that the appearance and size margin of tolerance of described core assembly is ± 0.03mm.
5. according to the arbitrary described core assembly of claim 1 to 3, it is characterized in that the position dimension margin of tolerance of described magnetic core set is ± 0.02mm.
6. according to the arbitrary described core assembly of claim 1 to 3, it is characterized in that the bottom surface error of perpendicularity scope of the side of described magnetic core set and clamper is no more than 20 fens.
7. a magnetic card magnetic head is characterized in that, comprising: core assembly, line bag, spacer shims, shielding case and the binding post of drawing from the line bag, wherein, described core assembly is formed by magnetic core set with the clamper of described magnetic core set integrated injection molding.
8. magnetic card magnetic head according to claim 7 is characterized in that, the magnetic core set of described core assembly is fixed together by the diffusing sheet of some magnetic cores.
9. magnetic card magnetic head according to claim 8 is characterized in that, the magnetic core set of described core assembly is loose the sheet laser weld together by some magnetic cores.
10. according to the arbitrary described magnetic card magnetic head of claim 7 to 9, it is characterized in that the bottom surface error of perpendicularity scope of the side of described magnetic core set and described clamper is no more than 20 fens.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320020392 CN203157018U (en) | 2013-01-15 | 2013-01-15 | Magnetic core component for magnetic card magnetic head and magnetic card magnetic head |
| PCT/JP2013/081716 WO2014084192A1 (en) | 2012-11-28 | 2013-11-26 | Method for manufacturing magnetic core module in magnetic head, magnetic core module in magnetic head and magnetic head |
| JP2014550190A JPWO2014084192A1 (en) | 2012-11-28 | 2013-11-26 | Method for producing magnetic core module in magnetic head, magnetic core module in magnetic head and magnetic head |
| US14/647,565 US9761251B2 (en) | 2012-11-28 | 2013-11-26 | Method for manufacturing magnetic core module in magnetic head, magnetic core module in magnetic head and magnetic head |
| US15/667,721 US10083712B2 (en) | 2012-11-28 | 2017-08-03 | Method for manufacturing magnetic core module in magnetic head, magnetic core module in magnetic head and magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320020392 CN203157018U (en) | 2013-01-15 | 2013-01-15 | Magnetic core component for magnetic card magnetic head and magnetic card magnetic head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203157018U true CN203157018U (en) | 2013-08-28 |
Family
ID=49018236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320020392 Expired - Lifetime CN203157018U (en) | 2012-11-28 | 2013-01-15 | Magnetic core component for magnetic card magnetic head and magnetic card magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203157018U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921393A (en) * | 2013-01-15 | 2014-07-16 | 北京泰和磁记录制品有限公司 | Production method for magnetic core assembly of magnetic card head, magnetic core assembly and magnetic card head |
| CN104424461A (en) * | 2013-08-30 | 2015-03-18 | 北京泰和磁记录制品有限公司 | Production method of magnetic head component, magnetic head component, magnetic card magnetic head and magnetic card reader |
| CN104416740A (en) * | 2013-08-30 | 2015-03-18 | 北京泰和磁记录制品有限公司 | Magnetic card head and production method thereof as well as magnetic card reader |
| CN105719384A (en) * | 2016-02-03 | 2016-06-29 | 詹源水 | Segmentation production process of sectional type bank note counting recognizer magnetic head |
| US9761251B2 (en) * | 2012-11-28 | 2017-09-12 | Techreco Company Limited | Method for manufacturing magnetic core module in magnetic head, magnetic core module in magnetic head and magnetic head |
| CN108108638A (en) * | 2018-02-02 | 2018-06-01 | 北京泰和磁记录制品有限公司 | Magnetic card reader and its magnetic card magnetic head |
| CN108229225A (en) * | 2018-02-02 | 2018-06-29 | 北京泰和磁记录制品有限公司 | Magnetic card reader and its magnetic card magnetic head |
-
2013
- 2013-01-15 CN CN 201320020392 patent/CN203157018U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9761251B2 (en) * | 2012-11-28 | 2017-09-12 | Techreco Company Limited | Method for manufacturing magnetic core module in magnetic head, magnetic core module in magnetic head and magnetic head |
| US10083712B2 (en) | 2012-11-28 | 2018-09-25 | Techreco Company Limited | Method for manufacturing magnetic core module in magnetic head, magnetic core module in magnetic head and magnetic head |
| CN103921393A (en) * | 2013-01-15 | 2014-07-16 | 北京泰和磁记录制品有限公司 | Production method for magnetic core assembly of magnetic card head, magnetic core assembly and magnetic card head |
| CN104424461A (en) * | 2013-08-30 | 2015-03-18 | 北京泰和磁记录制品有限公司 | Production method of magnetic head component, magnetic head component, magnetic card magnetic head and magnetic card reader |
| CN104416740A (en) * | 2013-08-30 | 2015-03-18 | 北京泰和磁记录制品有限公司 | Magnetic card head and production method thereof as well as magnetic card reader |
| CN105719384A (en) * | 2016-02-03 | 2016-06-29 | 詹源水 | Segmentation production process of sectional type bank note counting recognizer magnetic head |
| CN105719384B (en) * | 2016-02-03 | 2018-01-30 | 詹源水 | A kind of segmentation production technology of segmented bank-note counting cognitron magnetic head |
| CN108108638A (en) * | 2018-02-02 | 2018-06-01 | 北京泰和磁记录制品有限公司 | Magnetic card reader and its magnetic card magnetic head |
| CN108229225A (en) * | 2018-02-02 | 2018-06-29 | 北京泰和磁记录制品有限公司 | Magnetic card reader and its magnetic card magnetic head |
| CN108229225B (en) * | 2018-02-02 | 2024-06-11 | 北京泰和磁记录制品有限公司 | Magnetic card reader and magnetic card magnetic head thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203157018U (en) | Magnetic core component for magnetic card magnetic head and magnetic card magnetic head | |
| CN103921393A (en) | Production method for magnetic core assembly of magnetic card head, magnetic core assembly and magnetic card head | |
| CN105773907B (en) | A kind of joints of optical fibre electronic tag plug and its injection moulding process | |
| CN203422750U (en) | Magnetic card head and magnetic card reader | |
| CN202357365U (en) | Injection mould | |
| CN101934568A (en) | Method for assembling automobile gauge point | |
| CN204129748U (en) | Head stack, magnetic card magnetic head and magnetic card reader | |
| CN104424461A (en) | Production method of magnetic head component, magnetic head component, magnetic card magnetic head and magnetic card reader | |
| CN203221626U (en) | Embedded movable compression column mold structure | |
| CN104416740A (en) | Magnetic card head and production method thereof as well as magnetic card reader | |
| CN208497555U (en) | A kind of easily demoulding mold | |
| CN202162574U (en) | Disc connecting seat for processing boxes of injection molding machines | |
| CN203267083U (en) | Light guide plate injection-molding mould | |
| CN202921784U (en) | Composite die for simultaneously molding left and right legs | |
| CN204584272U (en) | 3 D-printing equipment shaped device | |
| CN202668803U (en) | Joint face structure of mold | |
| CN203356527U (en) | Duplex socket clevis mold | |
| CN204354397U (en) | A kind of mould with movable inserts carrier | |
| CN208827005U (en) | The tiny slide block mechanism of product clamp offset | |
| CN201721006U (en) | Injection mold | |
| CN212888624U (en) | One-die multi-cavity copper sheet structure | |
| CN221212607U (en) | Injection molding die for terminal embedded tongue piece | |
| CN201478539U (en) | Flat plug | |
| CN202805523U (en) | Jig for feeding parts in fan frame die | |
| CN216068493U (en) | Auto-parts injection mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Horiguchi Masao Inventor after: Gao Ruining Inventor before: Gao Ruining Inventor before: Ji Jun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: GAO RUINING JI JUN TO: MASAO HORIGUCHI GAO RUINING |
|
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Horiguchi Masao Inventor after: Gao Ruining Inventor after: TAKESHI HORIGUCHI Inventor after: Ji Jun Inventor before: Horiguchi Masao Inventor before: Gao Ruining |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: MASAO HORIGUCHI GAO RUINING TO: MASAO HORIGUCHI GAO RUINING HORIGUCHI TAKASHI JI JUN |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |