Title:
鋼管杭用高強度電縫鋼管およびその製造方法
Document Type and Number:
Japanese Patent JP5333118
Kind Code:
B2
Inventors:
Fujioka Yoshifumi
Nakazawa Shin
Murakami Muneyoshi
Yasushi Wakiya
Masahito Suzuki
Nakazawa Shin
Murakami Muneyoshi
Yasushi Wakiya
Masahito Suzuki
Application Number:
JP2009219848A
Publication Date:
November 06, 2013
Filing Date:
September 25, 2009
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B21C37/08; C21D7/02; C22C38/00; C22C38/06; C22C38/58
Domestic Patent References:
| JP2006289482A | ||||
| JP2004143500A | ||||
| JP2006299413A |
Attorney, Agent or Firm:
Eiichi Kobayashi