Title:
【発明の名称】トンネルの箱抜き施工方法及び箱抜き用ボックス
Document Type and Number:
Japanese Patent JP3377497
Kind Code:
B2
Inventors:
Yoshiharu Nakamura
Application Number:
JP2000133491A
Publication Date:
February 17, 2003
Filing Date:
May 02, 2000
Export Citation:
Assignee:
Kyoto Steel Co., Ltd.
International Classes:
E21D9/14; E21D11/10; (IPC1-7): E21D11/10
Domestic Patent References:
| JP2000110347A | ||||
| JP1144198A | ||||
| JP51878B2 | ||||
| JP25879B2 |
Attorney, Agent or Firm:
Kimitatsu Nakamura