Title:
熱処理方法及び被熱処理材である鋼管の品質管理方法
Document Type and Number:
Japanese Patent JP4650723
Kind Code:
B2
Inventors:
Ichi Osako
Application Number:
JP2005090540A
Publication Date:
March 16, 2011
Filing Date:
March 28, 2005
Export Citation:
Assignee:
SUMITOMO METAL INDUSTRIES,LTD.
International Classes:
C21D1/00; C21D11/00
Domestic Patent References:
| JP11256235A | ||||
| JP58019435A | ||||
| JP58009931A | ||||
| JP57177923A |
Attorney, Agent or Firm:
Minoru Ohnaka