Title:
【発明の名称】パイプの凹み加工方法
Document Type and Number:
Japanese Patent JP3187805
Kind Code:
B1
Inventors:
Shinsuke Matsumoto
Application Number:
JP2000212960A
Publication Date:
July 16, 2001
Filing Date:
July 13, 2000
Export Citation:
Assignee:
Matsumoto Industry Co., Ltd.
International Classes:
B21D17/02; B21D28/10; B21D28/28; B21D28/34; (IPC1-7): B21D17/02; B21D28/10; B21D28/28; B21D28/34
Domestic Patent References:
| JP444259Y2 |
Other References:
【文献】特許2974049(JP,B2)
Attorney, Agent or Firm:
Itsuro Abe
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