Title:
コラム付き角形鋼管柱の製造方法
Document Type and Number:
Japanese Patent JP4107973
Kind Code:
B2
Inventors:
Shin Nakajima
Norio Nakajima
Taku Nakajima
Isao Nakajima
Norio Nakajima
Taku Nakajima
Isao Nakajima
Application Number:
JP2003018109A
Publication Date:
June 25, 2008
Filing Date:
January 28, 2003
Export Citation:
Assignee:
Nakajima Steel Pipe Co., Ltd.
International Classes:
E04B1/24; E04C3/32; B21D3/14; B21D47/01; E04B1/58
Domestic Patent References:
JP8277574A | ||||
JP2001303661A |
Attorney, Agent or Firm:
Takao Itagaki
Yoshihiro Morimoto
Yoshihiro Morimoto