Title:
シールド先行到達部の立坑構築方法
Document Type and Number:
Japanese Patent JP4149086
Kind Code:
B2
Inventors:
Kunio Matsumoto
Nishizawa Hisao
Morihiko Iwasaki
Yoshiyuki Kawamura
Nishimiya Yukihiro
Hiroki Kobayashi
Nishizawa Hisao
Morihiko Iwasaki
Yoshiyuki Kawamura
Nishimiya Yukihiro
Hiroki Kobayashi
Application Number:
JP18360099A
Publication Date:
September 10, 2008
Filing Date:
June 29, 1999
Export Citation:
Assignee:
Kumagai Gumi Co., Ltd.
International Classes:
E21D5/00; E21D9/06
Domestic Patent References:
| JP9235976A | ||||
| JP10140966A | ||||
| JP10205270A |
Attorney, Agent or Firm:
Takakichi Hayashi