JP6506442B1 - Method of manufacturing negative electrode metal cap of button type lithium battery - Google Patents
Method of manufacturing negative electrode metal cap of button type lithium battery Download PDFInfo
- Publication number
- JP6506442B1 JP6506442B1 JP2018083689A JP2018083689A JP6506442B1 JP 6506442 B1 JP6506442 B1 JP 6506442B1 JP 2018083689 A JP2018083689 A JP 2018083689A JP 2018083689 A JP2018083689 A JP 2018083689A JP 6506442 B1 JP6506442 B1 JP 6506442B1
- Authority
- JP
- Japan
- Prior art keywords
- lithium battery
- type lithium
- negative electrode
- button type
- electrode metal
- 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.)
- Active
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 27
- 239000002184 metal Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000004080 punching Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000004512 die casting Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 10
- 229910000831 Steel Inorganic materials 0.000 description 3
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
【課題】ボタン型リチウム電池の負極金属キャップの封止性能を高め、ボタン型リチウム電池の完成品の品質を高めるボタン型リチウム電池の負極金属キャップの製造方法を提供する。
【解決手段】ボタン型リチウム電池の負極金属キャップの製造方法は、パンチングダイカストにより円形材料を円形板に成形するステップ（１）と、円形板に対し、深絞りパンチングを行い、円形板の外縁にＬ字状折り曲げ部を形成するステップ（２）と、Ｌ字状折り曲げ部の水平部に対して深絞りパンチングを行い、水平部の一部を垂直に折り曲げて折り曲げ部を形成し、折り曲げ部と垂直部とを互いに平行に対面するように設けるステップ（３）と、折り曲げ部に対して１回目のパンチング成形を行うステップ（４）と、第１層の折り畳み部に対して２回目のパンチング成形を行うステップ（５）と、を含む。
【選択図】図１The present invention provides a method for manufacturing a negative electrode metal cap of a button type lithium battery, which enhances the sealing performance of the negative electrode metal cap of the button type lithium battery and enhances the quality of a finished product of the button type lithium battery.
A method of manufacturing a negative electrode metal cap of a button type lithium battery includes the steps (1) of forming a circular material into a circular plate by punching die casting, and deep drawing punching of the circular plate to form an outer edge of the circular plate. Step (2) of forming an L-shaped bent portion, deep drawing punching is performed on the horizontal portion of the L-shaped bent portion, and a part of the horizontal portion is bent vertically to form a bent portion; Step (3) of providing the vertical portions so as to face each other in parallel, step (4) of performing first punching on the bent portion, and second punching on the folded portion of the first layer And (5).
[Selected figure] Figure 1
Description
本発明は、リチウム電池の製造に関し、特に、ボタン型リチウム電池の負極金属キャップの製造方法に関する。 The present invention relates to the manufacture of lithium batteries, and more particularly to a method of manufacturing a negative electrode metal cap of a button-type lithium battery.
ボタン型リチウムマンガン電池を封止してパンチングする際、部品に対して以下（１）〜（３）が求められていた。
（１）金属負極キャップは、硬度が高く、平坦で、バリ（ｂｕｒｒ）が無く、キャップの縁部が折り畳まれている必要があった。そうでなければ電池をパンチングして封止する際、シーリングゴムリングが切断されて電池が液漏れして短絡が発生する虞があった。
（２）シーリングゴムリングは、電池から電解液が流れ出ることを防ぐために、適宜な軟らかさを有する必要があった。
（３）金属正極鋼殻は、楕円形でなく全体的に正円形状に形成する必要があった。そうでなければパンチング・封止するときに電池の液体が流出する虞があり、全部品が上述した要求を満たすことができれば、ボタン型リチウム電池の品質を大幅に向上させることができる。
When sealing and punching a button type lithium manganese battery, the following (1) to (3) have been required for parts.
(1) The metal negative electrode cap had to be hard, flat, had no burrs, and had the edge of the cap folded. Otherwise, when the battery is punched and sealed, the sealing rubber ring may be cut to cause the battery to leak and a short circuit may occur.
(2) The sealing rubber ring had to have appropriate softness in order to prevent the electrolyte from flowing out of the battery.
(3) It was necessary to form the metal positive electrode steel shell into a regular circular shape as a whole, instead of the oval shape. Otherwise, there is a risk that the liquid of the battery may flow out when punching and sealing, and if all parts can meet the above-mentioned requirements, the quality of the button type lithium battery can be greatly improved.
しかし従来のボタン型リチウムマンガン電池の部品は、上述した要求を同時に満足させることが容易でなく、またボタン型リチウムマンガン電池は品質が理想的でなく、ニーズを満たすことができなかった。 However, conventional button-type lithium manganese battery components are not easy to simultaneously satisfy the above-mentioned requirements, and button-type lithium manganese batteries are not ideal in quality and could not meet the needs.
そのため、上述した問題点を改善するために、ボタン型リチウム電池の負極金属キャップの製造方法が求められていた。 Therefore, in order to ameliorate the above-mentioned problems, a method of manufacturing a negative electrode metal cap of a button type lithium battery has been required.
本発明の目的は、ボタン型リチウム電池の負極金属キャップの封止性能を高め、ボタン型リチウム電池の完成品の品質を高め、従来技術の問題点を改善するボタン型リチウム電池の負極金属キャップの製造方法を提供することにある。 The object of the present invention is to improve the sealing performance of a negative electrode metal cap of a button type lithium battery, improve the quality of a finished product of the button type lithium battery, and improve the problems of the prior art It is in providing a manufacturing method.
上記課題を解決するために、本発明の第１の形態によれば、パンチングダイカストにより円形材料を円形板に成形するステップ（１）と、前記円形板に対し、深絞りパンチングを行い、前記円形板の外縁にＬ字状折り曲げ部を形成し、前記Ｌ字状折り曲げ部は、垂直部及び水平部を有し、前記垂直部を前記円形板の外縁に接続させ、前記水平部を前記垂直部に接続し、前記垂直部を前記円形板に対して垂直に設け、前記水平部を前記垂直部に対して垂直に設けるステップ（２）と、前記Ｌ字状折り曲げ部の前記水平部に対して深絞りパンチングを行い、前記水平部の一部を垂直に折り曲げて折り曲げ部を形成し、前記折り曲げ部と前記垂直部とを互いに平行に対面するように設けるステップ（３）と、前記折り曲げ部に対して１回目のパンチング成形を行い、前記折り曲げ部と前記水平部の折り曲げられていない部分とが重ねられて第１層の折り畳み部を共同で形成するステップ（４）と、前記第１層の折り畳み部に対して２回目のパンチング成形を行い、前記第１層の折り畳み部を前記垂直部と重ね、共同で３層の折り畳み部を形成し、前記３層の折り畳み部を垂直に形成し、ボタン型リチウム電池の負極金属キャップの製造を完了するステップ（５）と、を含むことを特徴とするボタン型リチウム電池の負極金属キャップの製造方法が提供される。 In order to solve the above problems, according to a first aspect of the present invention, a step (1) of forming a circular material into a circular plate by punching die casting and deep drawing punching of the circular plate are carried out An L-shaped bent portion is formed on the outer edge of the plate, the L-shaped bent portion has a vertical portion and a horizontal portion, the vertical portion is connected to the outer edge of the circular plate, and the horizontal portion is the vertical portion Connecting the vertical portion to the circular plate and the horizontal portion vertically to the vertical portion (2), and the horizontal portion of the L-shaped bent portion Deep drawing punching, bending a part of the horizontal portion vertically to form a bending portion, and providing the bending portion and the vertical portion so as to face each other in a parallel manner (3); Against the first punch Forming the first folded portion by jointly forming the folded portion and the unfolded portion of the horizontal portion to form a folded portion of the first layer; and with respect to the folded portion of the first layer A second punching process is carried out, the fold of the first layer is overlapped with the vertical part, and the fold of three layers is formed jointly, and the fold of the three layers is formed vertically. And (5) completing the manufacturing of the negative electrode metal cap. A method of manufacturing a negative electrode metal cap of a button-type lithium battery is provided, comprising the step (5).
前記垂直部の長さは、前記水平部の長さより短く、前記水平部の半分の長さより長いことが好ましい。 It is preferable that the length of the vertical part is shorter than the length of the horizontal part and longer than a half length of the horizontal part.
前記折り曲げ部は、前記水平部の折り曲げられていない部分の長さに等しいことが好ましい。 The bent portion is preferably equal to the length of the unfolded portion of the horizontal portion.
本発明のボタン型リチウム電池の負極金属キャップの製造方法は、１回目のパンチング成形及び２回目のパンチング成形により円形板の外縁に３層の折り畳み部が形成され、上述した３層の折り畳み部により全体のボタン型リチウム電池の負極金属キャップの強度を大幅に高めてその封止性能を高め、さらにはボタン型リチウム電池の完成品の品質を高めることができる。 In the method of manufacturing the negative electrode metal cap of the button type lithium battery according to the present invention, the three-layer folded portion is formed on the outer edge of the circular plate by the first punching molding and the second punching molding. The strength of the negative electrode metal cap of the entire button type lithium battery can be greatly enhanced to enhance its sealing performance, and further, the quality of the finished product of the button type lithium battery can be enhanced.
以下、本発明の目的、特徴及び効果をより分かりやすくするために、具体的な実施形態について図に基づいて詳しく説明する。 Hereinafter, specific embodiments will be described in detail based on the drawings in order to make the objects, features, and effects of the present invention more easily understandable.
図１及び図２を参照する。図１及び図２に示すように、本発明の一実施形態に係るボタン型リチウム電池の負極金属キャップの製造方法は、以下のステップ（１）〜（５）を含む。 Please refer to FIG. 1 and FIG. As shown in FIG.1 and FIG.2, the manufacturing method of the negative electrode metal cap of the button type lithium battery which concerns on one Embodiment of this invention contains following step (1)-(5).
ステップ（１）：パンチングダイカスト（ｐｕｎｃｈｉｎｇ ｄｉｅ−ｃａｓｔｉｎｇ）により円形材料を円形板に成形する。円形板は、バリが無いように平坦に成形される。 Step (1): Forming a circular material into a circular plate by punching die-casting. The circular plate is formed flat so that there is no burr.
ステップ（２）：上述した円形板に深絞りパンチング（ｄｅｅｐ ｄｒａｗｎ ｐｕｎｃｈｉｎｇ）を行い、円形板の外縁にＬ字状折り曲げ部を形成する。上述したＬ字状折り曲げ部は、垂直部及び水平部を含む。上述した垂直部は、上述した円形板の外縁に接続される。上述した水平部は、上述した垂直部に接続される。上述した垂直部は、上述した円形板に対して垂直に設けられる。上述した水平部は、上述した垂直部に対して垂直に設けられる。本実施形態の上述した垂直部の長さは、前記水平部の長さより小さく、上述した水平部の半分の長さより大きい。 Step (2): The above-described circular plate is subjected to deep drawn punching to form an L-shaped bent portion at the outer edge of the circular plate. The L-shaped bend described above includes a vertical portion and a horizontal portion. The vertical portion mentioned above is connected to the outer edge of the circular plate mentioned above. The horizontal part mentioned above is connected to the vertical part mentioned above. The above-mentioned vertical part is provided perpendicularly to the above-mentioned circular plate. The above-mentioned horizontal part is provided perpendicularly to the above-mentioned vertical part. The length of the above-mentioned vertical part of this embodiment is smaller than the length of the above-mentioned horizontal part, and larger than the half length of the above-mentioned horizontal part.
ステップ（３）：上述したＬ字状折り曲げ部の水平部に対して深絞りパンチングを行い、水平部の一部を垂直に折り曲げて折り曲げ部を形成する。上述した折り曲げ部と上述した垂直部とを互いに平行に対面するように設ける。本実施形態の上述した折り曲げ部は、水平部の折り曲げられていない部分の長さに等しい。 Step (3): Deep drawing punching is performed on the horizontal portion of the L-shaped bent portion described above, and a part of the horizontal portion is bent vertically to form a bent portion. The bent portion described above and the vertical portion described above are provided to face each other in parallel. The above-mentioned bent part of this embodiment is equal to the length of the unfolded part of the horizontal part.
ステップ（４）：上述した折り曲げ部に対して１回目のパンチング成形を行い、折り曲げ部と水平部の折り曲げられていない部分とが重ねられて第１層の折り畳み部を共同で形成し、ボタン型リチウム電池の負極金属キャップ１の強度を高める。
Step (4): A first punching process is performed on the above-mentioned bent portion, and the unfolded portion of the bent portion and the horizontal portion is overlapped to jointly form the folded portion of the first layer; Increase the strength of the negative
ステップ（５）：上述した第１層の折り畳み部に対して２回目のパンチング成形を行い、上述した第１層の折り畳み部を上述した垂直部と重ね、共同で３層の折り畳み部１１を形成する。上述した３層の折り畳み部１１を円形板の外縁に垂直に形成し、上述したボタン
型リチウム電池の負極金属キャップ１の製造を完了する。上述した３層の折り畳み部１１は、ボタン型リチウム電池の負極金属キャップ１の強度を高め、ボタン型リチウム電池の完成品の品質を高め、生産のニーズを満たす。
Step (5): A second punching process is performed on the folded portion of the first layer described above, the folded portion of the first layer described above is overlapped with the vertical portion described above, and the folded
製造されたボタン型リチウム電池の負極金属キャップ１は、ボタン型リチウム電池の正極金属鋼殻２と係合され、ボタン型リチウム電池のシーリングゴムリング３を介して密封処理し、高品質のボタン型リチウム電池を製造する。
The manufactured negative
本発明は以下の効果を有する。 The present invention has the following effects.
本発明に係るボタン型リチウム電池の負極金属キャップ１の製造方法は、１回目のパンチング成形及び２回目のパンチング成形により、円形板の外縁に３層の折り畳み部１１が形成される。上述した３層の折り畳み部１１は、全体のボタン型リチウム電池負極金属キャップの強度を高めてその封止性能を高め、さらにはボタン型リチウム電池の完成品の品質を高めることができる。
In the method of manufacturing the negative
当該分野の技術を熟知するものが理解できるように、本発明の好適な実施形態を前述の通り開示したが、これらは決して本発明を限定するものではない。本発明の主旨と領域を逸脱しない範囲内で各種の変更や修正を加えることができる。従って、本発明の特許請求の範囲は、このような変更や修正を含めて広く解釈されるべきである。 While the preferred embodiments of the present invention have been disclosed as set forth above, as will be appreciated by those skilled in the art, they are by no means limiting of the present invention. Various changes and modifications can be made without departing from the spirit and scope of the present invention. Accordingly, the claims of the present invention should be construed broadly including such changes and modifications.
１ ボタン型リチウム電池の負極金属キャップ
２ ボタン型リチウム電池の正極金属鋼殻
３ ボタン型リチウム電池のシーリングゴムリング
１１ 折り畳み部
1 Button-type lithium battery negative
Claims (3)
前記円形板に対し、深絞りパンチングを行い、前記円形板の外縁にＬ字状折り曲げ部を形成し、前記Ｌ字状折り曲げ部は、垂直部及び水平部を有し、前記垂直部を前記円形板の外縁に接続させ、前記水平部を前記垂直部に接続し、前記垂直部を前記円形板に対して垂直に設け、前記水平部を前記垂直部に対して垂直に設けるステップ（２）と、
前記Ｌ字状折り曲げ部の前記水平部に対して深絞りパンチングを行い、前記水平部の一部を垂直に折り曲げて折り曲げ部を形成し、前記折り曲げ部と前記垂直部とを互いに平行に対面するように設けるステップ（３）と、
前記折り曲げ部に対して１回目のパンチング成形を行い、前記折り曲げ部と前記水平部の折り曲げられていない部分とが重ねられて第１層の折り畳み部を共同で形成するステップ（４）と、
前記第１層の折り畳み部に対して２回目のパンチング成形を行い、前記第１層の折り畳み部を前記垂直部と重ね、共同で３層の折り畳み部を形成し、前記３層の折り畳み部を円形板の外縁に垂直に形成し、ボタン型リチウム電池の負極金属キャップの製造を完了するステップ（５）と、を含むことを特徴とするボタン型リチウム電池の負極金属キャップの製造方法。 Forming a circular material into a circular plate by punching die casting (1);
Deep drawing punching is performed on the circular plate to form an L-shaped bent portion at the outer edge of the circular plate, the L-shaped bent portion has a vertical portion and a horizontal portion, and the vertical portion is the circular shape Connecting to the outer edge of the plate, connecting the horizontal part to the vertical part, providing the vertical part perpendicular to the circular plate, and providing the horizontal part perpendicular to the vertical part (2) ,
Deep drawing punching is performed on the horizontal portion of the L-shaped bent portion, a part of the horizontal portion is bent vertically to form a bent portion, and the bent portion and the vertical portion face each other in parallel. Step (3) of providing
Performing a first punch forming on the folded portion, and overlapping the unfolded portion of the folded portion and the horizontal portion to jointly form a folded portion of the first layer (4);
A second punching process is performed on the folding portion of the first layer, the folding portion of the first layer is overlapped with the vertical portion, and a folding portion of three layers is jointly formed, and the folding portion of the three layers is formed And (5) completing the manufacturing of the negative electrode metal cap of the button type lithium battery vertically formed on the outer edge of the circular plate, and manufacturing the negative electrode metal cap of the button type lithium battery.
The method for manufacturing a negative electrode metal cap of a button type lithium battery according to claim 1 or 2, wherein the bent portion is equal to the length of the unfolded portion of the horizontal portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018083689A JP6506442B1 (en) | 2018-04-25 | 2018-04-25 | Method of manufacturing negative electrode metal cap of button type lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018083689A JP6506442B1 (en) | 2018-04-25 | 2018-04-25 | Method of manufacturing negative electrode metal cap of button type lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP6506442B1 true JP6506442B1 (en) | 2019-04-24 |
| JP2019192477A JP2019192477A (en) | 2019-10-31 |
Family
ID=66324236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018083689A Active JP6506442B1 (en) | 2018-04-25 | 2018-04-25 | Method of manufacturing negative electrode metal cap of button type lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6506442B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775254A (en) * | 2021-01-21 | 2021-05-11 | 滁州市汇能鑫新能源科技有限公司 | Stamping process based on lithium battery cap |
| CN112917096A (en) * | 2021-04-30 | 2021-06-08 | 游旭冬 | Production and manufacturing process of lithium battery cap |
-
2018
- 2018-04-25 JP JP2018083689A patent/JP6506442B1/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775254A (en) * | 2021-01-21 | 2021-05-11 | 滁州市汇能鑫新能源科技有限公司 | Stamping process based on lithium battery cap |
| CN112917096A (en) * | 2021-04-30 | 2021-06-08 | 游旭冬 | Production and manufacturing process of lithium battery cap |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019192477A (en) | 2019-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6193794B2 (en) | Method for forming a rectangular battery case | |
| JP6506442B1 (en) | Method of manufacturing negative electrode metal cap of button type lithium battery | |
| JP6128282B2 (en) | Storage device manufacturing method and electrode manufacturing method | |
| JP2011210707A (en) | Pouch type secondary battery, and the fabrication method thereof | |
| CN207009572U (en) | The flanging and angle seal structure of soft package lithium battery | |
| JP2004071301A (en) | Manufacturing method of case for storage element | |
| US10014498B2 (en) | Prismatic battery cell having battery case comprising two or more members | |
| CN103441306A (en) | Manufacturing method of curved battery | |
| CN105226300A (en) | A kind of special-shaped lithium manganese flexible-packed battery and manufacture method thereof | |
| JP6065294B2 (en) | Pouch-type battery | |
| CN102110854A (en) | Lithium ion battery and manufacturing method thereof | |
| CN204067495U (en) | Wireless charging battery and battery core thereof | |
| JP2003208876A (en) | Square battery can and manufacturing method thereof, and square battery using the same | |
| CN104282948B (en) | The core of lithium battery and assembly method | |
| CN106602149A (en) | Curved battery and manufacturing method thereof | |
| JP2010055961A (en) | Airtight battery and manufacturing method for airtight battery | |
| CN206422998U (en) | For manufacturing the base material with slot antenna housing | |
| JP2007329080A (en) | Battery can and its manufacturing method | |
| JP2013118789A (en) | Method for producing laminated iron core, and shape of blanking slag generated thereby | |
| CN201956428U (en) | Lithium ion battery | |
| JP3597150B2 (en) | Organic electrolyte secondary battery and method for producing negative electrode can of organic electrolyte secondary battery | |
| CN207283632U (en) | Titanium alloy mobile phone shell blank | |
| CN207889831U (en) | A kind of automobile rear case | |
| JP2014110732A5 (en) | ||
| CN108023036B (en) | Button type lithium battery cathode metal cap structure workpiece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180425 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190326 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190328 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6506442 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |