Title:
耐座屈性能の良好な電縫管の製造方法
Document Type and Number:
Japanese Patent JP4946812
Kind Code:
B2
Inventors:
Kazuhito Kenmochi
Yokoyama
Okabe Nochi
Shigeto Sakashita
Masahito Suzuki
Yokoyama
Okabe Nochi
Shigeto Sakashita
Masahito Suzuki
Application Number:
JP2007293567A
Publication Date:
June 06, 2012
Filing Date:
November 12, 2007
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B21C37/08; B23K13/00
Domestic Patent References:
| JP3285712A | ||||
| JP2005199293A | ||||
| JP1241324A |
Attorney, Agent or Firm:
Eiichi Kobayashi