Title:
【発明の名称】電縫鋼管のシーム部位置検出装置
Document Type and Number:
Japanese Patent JP2768053
Kind Code:
B2
Inventors:
Nagao Katsunori
Akihiro Yamada
Akihiro Yamada
Application Number:
JP14246891A
Publication Date:
June 25, 1998
Filing Date:
May 16, 1991
Export Citation:
Assignee:
SUMITOMO METAL INDUSTRIES,LTD.
International Classes:
G01B11/00; B23K9/127; (IPC1-7): G01B11/00; B23K9/127
Domestic Patent References:
| JP2285204A | ||||
| JP58209481A | ||||
| JP59108903A |
Attorney, Agent or Firm:
Tono Kono