Title:
【発明の名称】鋼管の整形方法
Document Type and Number:
Japanese Patent JP2991851
Kind Code:
B2
Inventors:
ITAMI YOSHIAKI
MYASAKA AKIHIRO
MYASAKA AKIHIRO
Application Number:
JP2808292A
Publication Date:
December 20, 1999
Filing Date:
February 14, 1992
Export Citation:
Assignee:
SHINNIPPON SEITETSU KK
International Classes:
B21B19/16; B21B13/00; B21B13/20; B21D3/14; (IPC1-7): B21B19/16; B21B13/00; B21B13/20
Domestic Patent References:
| JP241706A | ||||
| JP24361B2 |
Attorney, Agent or Firm:
Tomoyuki Yathata (1 outside)