Title:
鋼管杭圧入工法及び装置
Document Type and Number:
Japanese Patent JP4076146
Kind Code:
B2
Inventors:
Shinichiro Nozawa
Fujisawa Hajime
Fujisawa Hajime
Application Number:
JP2003061155A
Publication Date:
April 16, 2008
Filing Date:
March 07, 2003
Export Citation:
Assignee:
East Japan Railway Company
International Classes:
E02D7/22; E21B7/20; E02D7/20
Domestic Patent References:
| JP4153495A | ||||
| JP62017295A | ||||
| JP3253694A |
Attorney, Agent or Firm:
Hirukawa Masanobu
Ryukichi Abe
Norihiko Uchida
Hideo Sugai
Kenji Aoki
Hiroshi Nagisawa
Akira Yonezawa
Ryukichi Abe
Norihiko Uchida
Hideo Sugai
Kenji Aoki
Hiroshi Nagisawa
Akira Yonezawa