Title:
角パイプの折り曲げ方法、角パイプの折り曲げ構造及び角パイプの折り曲げ加工装置
Document Type and Number:
Japanese Patent JP4457398
Kind Code:
B1
Inventors:
Nishii Takashi
Application Number:
JP2009083412A
Publication Date:
April 28, 2010
Filing Date:
March 05, 2009
Export Citation:
Assignee:
Nishii Takashi
International Classes:
B21D7/00; B21D11/08; B21D28/00
Domestic Patent References:
| JP63286226A | ||||
| JP1170515U | ||||
| JP2723826B2 | ||||
| JP63116118U |