Title:
【発明の名称】中空角パイプ屈曲加工方法
Document Type and Number:
Japanese Patent JP2820907
Kind Code:
B2
Inventors:
Nakatsuji Miyoshi
Application Number:
JP12325295A
Publication Date:
November 05, 1998
Filing Date:
May 23, 1995
Export Citation:
Assignee:
Sanko Industry Co., Ltd.
International Classes:
B21C37/15; B21C37/28; B21D7/00; B21D28/14; B23D21/00; (IPC1-7): B21C37/15; B21D7/00; B23D21/00
Domestic Patent References:
| JP5944619U | ||||
| JP54136685U | ||||
| JP354014B2 |
Attorney, Agent or Firm:
Karaki Joji