【発明の名称】パイプの極小曲率半径の曲げ加工方法

Title:

【発明の名称】パイプの極小曲率半径の曲げ加工方法

Document Type and Number:

Japanese Patent JPH0698404

Kind Code:

B2

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Inventors:

Haruo Yamazaki
Aoyama Yasuyuki
Ryoji narrow groove

Application Number:

JP41314290A

Publication Date:

December 07, 1994

Filing Date:

December 20, 1990

Export Citation:

Assignee:

Osgar Machine Co., Ltd.

International Classes:

B21D7/024; B21D7/025; B21D9/04; (IPC1-7): B21D7/025

Attorney, Agent or Firm:

Nishiichi

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