Title:
シールド掘進における立坑壁部の構築方法および立坑壁用部材
Document Type and Number:
Japanese Patent JP4091756
Kind Code:
B2
Inventors:
Hiroyuki Yoshizawa
Kenichi Sekine
Kenichi Sekine
Application Number:
JP2001235764A
Publication Date:
May 28, 2008
Filing Date:
August 03, 2001
Export Citation:
Assignee:
Nippon Steel Composite Co., Ltd.
International Classes:
E21D5/11; E21D9/06
Domestic Patent References:
| JP6200691A | ||||
| JP9310577A |
Attorney, Agent or Firm:
Nobuyuki Hayashi
Yasuhiko
Yasuhiko