Title:
継目無管の製造における穿孔圧延方法
Document Type and Number:
Japanese Patent JP4196991
Kind Code:
B2
Inventors:
Chihiro Hayashi
Application Number:
JP2005506775A
Publication Date:
December 17, 2008
Filing Date:
June 03, 2004
Export Citation:
Assignee:
SUMITOMO METAL INDUSTRIES,LTD.
International Classes:
B21B19/04
Domestic Patent References:
JP8004811B2 | ||||
JP5023842B2 | ||||
JP8001210A |
Foreign References:
WO1996021526A1 |
Attorney, Agent or Firm:
Terutada Hogami
Mikiji Sugioka
Mikiji Sugioka