Title:
【発明の名称】電縫鋼管製造用ガスシールド溶接装置
Document Type and Number:
Japanese Patent JP2897707
Kind Code:
B2
Inventors:
UEZONO TATSUHIKO
Application Number:
JP2479496A
Publication Date:
May 31, 1999
Filing Date:
January 17, 1996
Export Citation:
Assignee:
SUMITOMO KINZOKU KOGYO KK
International Classes:
B23K9/16; B23K13/00; B23K13/06; B23K37/08; (IPC1-7): B23K13/06
Attorney, Agent or Firm:
Yoshihisa Oshida