Title:
小径電縫鋼管の製造方法
Document Type and Number:
Japanese Patent JP4826751
Kind Code:
B2
Inventors:
Shinsaku Kokubo
Application Number:
JP2006067275A
Publication Date:
November 30, 2011
Filing Date:
March 13, 2006
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B21C37/08; B21C37/30; B21D3/00; B23D21/00; B23D21/04; B23K13/00
Domestic Patent References:
| JP2002273576A | ||||
| JP4111926A | ||||
| JP62084830A | ||||
| JP62227526A | ||||
| JP7060354A |
Attorney, Agent or Firm:
Eiichi Kobayashi