Title:
パイプの曲げ加工方法
Document Type and Number:
Japanese Patent JP3573776
Kind Code:
B2
Inventors:
Toshio Aozono
Application Number:
JP913094A
Publication Date:
October 06, 2004
Filing Date:
January 31, 1994
Export Citation:
Assignee:
Seien Co., Ltd.
International Classes:
B21D9/05; (IPC1-7): B21D9/05
Domestic Patent References:
| JP6238352A | ||||
| JP2235523A |
Attorney, Agent or Firm:
Hiroshi Maeda
Hiroshi Koyama
Tsutomu Matsunaga
Hiroshi Koyama
Tsutomu Matsunaga