Title:
【発明の名称】電縫鋼管の製造方法
Document Type and Number:
Japanese Patent JP3369297
Kind Code:
B2
Inventors:
Koichi Kusakabe
Nobuyuki Hamamoto
Nobuyuki Hamamoto
Application Number:
JP7194494A
Publication Date:
January 20, 2003
Filing Date:
April 11, 1994
Export Citation:
Assignee:
Kusakabe Electric Co., Ltd.
International Classes:
B21B17/14; B21B19/10; B21C37/08; B21C37/30; B21D5/12; (IPC1-7): B21D5/12; B21B19/10; B21C37/08; B21C37/30
Domestic Patent References:
| JP1266904A | ||||
| JP4158907A | ||||
| JP5221253A | ||||
| JP6142428A | ||||
| JP199724A | ||||
| JP58224084A |
Attorney, Agent or Firm:
Juichiro Yano