Title:
【考案の名称】電縫鋼管のシーム部冷却装置
Document Type and Number:
Japanese Patent JPH0560681
Kind Code:
U
Inventors:
Koichi Okita
Application Number:
JP633492U
Publication Date:
August 10, 1993
Filing Date:
January 21, 1992
Export Citation:
Assignee:
Kawasaki Steel Co., Ltd.
International Classes:
B23K11/36; B23K13/00; (IPC1-7): B23K13/00
Attorney, Agent or Firm:
Keisuke Matsuyama (2 outside)