Title:
継目無鋼管の製造方法及び継目無鋼管製造用治具
Document Type and Number:
Japanese Patent JP4356168
Kind Code:
B2
Inventors:
Taro Kanayama
Nobuhiko Morioka
Itaya Susumu
Takahiko Saeki
Hideto amabe
Nobuhiko Morioka
Itaya Susumu
Takahiko Saeki
Hideto amabe
Application Number:
JP2000014176A
Publication Date:
November 04, 2009
Filing Date:
January 20, 2000
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B21B19/10; B21B45/08; B21B25/00
Domestic Patent References:
JP60006208A | ||||
JP10128427A | ||||
JP7021203U | ||||
JP6254609A | ||||
JP9239409A | ||||
JP4143006A |
Attorney, Agent or Firm:
Yoshio Kosugi
Masaki Yamada
Masaki Yamada