Title:
【考案の名称】軽量C形鋼の先端部及び後端部の変形防止装置
Document Type and Number:
Japanese Patent JP2556535
Kind Code:
Y2
Inventors:
Seisei Hoshi
Osamu Matsushita
Yamada Yasumasa
Osamu Matsushita
Yamada Yasumasa
Application Number:
JP3595792U
Publication Date:
December 03, 1997
Filing Date:
May 28, 1992
Export Citation:
Assignee:
Sanyo Seiki Co., Ltd.
International Classes:
B21D3/02; (IPC1-7): B21D3/02
Domestic Patent References:
| JP4112216Y1 |
Attorney, Agent or Firm:
Takayoshi Hayashi