Title:
ハイドロフォーミング性に優れた構造用電縫鋼管の製造方法
Document Type and Number:
Japanese Patent JP4474730
Kind Code:
B2
More Like This:
Inventors:
Akio Toyoda
Yuji Hashimoto
Yuji Hashimoto
Application Number:
JP2000127076A
Publication Date:
June 09, 2010
Filing Date:
April 27, 2000
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B21C37/08; C21D7/02; C22C38/00; C22C38/06; C22C38/54
Domestic Patent References:
| JP59089717A | ||||
| JP57158327A | ||||
| JP11172376A | ||||
| JP2034213A | ||||
| JP8283852A | ||||
| JP2001032034A |
Attorney, Agent or Firm:
Junzo Ogawa
Morio Nakamura
Morio Nakamura