Title:
【発明の名称】プラグ耐用度に優れた高Cr継目無鋼管の製造方法
Document Type and Number:
Japanese Patent JP2900795
Kind Code:
B2
Inventors:
NAKAJIMA KATSUMI
KURIKI YOSHIRO
MINAMI JUSUKE
HATANAKA MASAYUKI
KURIKI YOSHIRO
MINAMI JUSUKE
HATANAKA MASAYUKI
Application Number:
JP15054694A
Publication Date:
June 02, 1999
Filing Date:
June 08, 1994
Export Citation:
Assignee:
NIPPON KOKAN KK
International Classes:
B21B25/04; B21B19/04; B23K9/04; (IPC1-7): B21B19/04; B21B25/04
Attorney, Agent or Firm:
Yasuo Ishikawa