Title:
中空状の鍛造用鋼材の製法および筒状鍛造品の製法
Document Type and Number:
Japanese Patent JP4427439
Kind Code:
B2
More Like This:
Inventors:
Motohiro Nagao
Katsushige Nishiguchi
Katsushige Nishiguchi
Application Number:
JP2004350277A
Publication Date:
March 10, 2010
Filing Date:
December 02, 2004
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
International Classes:
B22D7/00; B21J1/04; B21J5/10; B22D7/10
Domestic Patent References:
| JP55022490A | ||||
| JP55027426A | ||||
| JP50025436A | ||||
| JP62227550A |
Attorney, Agent or Firm:
Kyuichi Ueki
Tadashi Sugakawa
Osamu Futakuchi
Hiroaki Ito
Tadashi Sugakawa
Osamu Futakuchi
Hiroaki Ito