Title:
鋼管曲げ加工装置及び鋼管曲げ加工方法
Document Type and Number:
Japanese Patent JP4726884
Kind Code:
B2
Inventors:
Toru Sato
Application Number:
JP2007308706A
Publication Date:
July 20, 2011
Filing Date:
November 29, 2007
Export Citation:
Assignee:
Toru Sato
International Classes:
B21D7/10; B21D7/16
Domestic Patent References:
| JP51149861A | ||||
| JP1245922A | ||||
| JP11221622A |
Attorney, Agent or Firm:
Hiroyuki Niwa
Tadao Noguchi
Nishio Mira
Tadao Noguchi
Nishio Mira