Title:
コラム付き丸形鋼管柱の製造方法
Document Type and Number:
Japanese Patent JP4107974
Kind Code:
B2
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Inventors:
Shin Nakajima
Norio Nakajima
Taku Nakajima
Isao Nakajima
Norio Nakajima
Taku Nakajima
Isao Nakajima
Application Number:
JP2003021234A
Publication Date:
June 25, 2008
Filing Date:
January 30, 2003
Export Citation:
Assignee:
Nakajima Steel Pipe Co., Ltd.
International Classes:
E04B1/24; E04C3/32; B21D47/01; B23K9/00; B23K101/06
Domestic Patent References:
| JP8277574A | ||||
| JP2001303661A |
Attorney, Agent or Firm:
Takao Itagaki
Yoshihiro Morimoto
Yoshihiro Morimoto