Title:
【発明の名称】トンネル構築方法及びその装置
Document Type and Number:
Japanese Patent JP3355235
Kind Code:
B2
Inventors:
Takeo Kobayashi
Shigeki Mori
Shigeki Mori
Application Number:
JP27282193A
Publication Date:
December 09, 2002
Filing Date:
October 29, 1993
Export Citation:
Assignee:
MAEDA CORPORATION
International Classes:
E21D9/00; E21B7/02; E21B15/00; E21B19/08; E21D11/10; (IPC1-7): E21D9/00; E21B15/00; E21D11/10
Domestic Patent References:
| JP3253694A | ||||
| JP62268492A | ||||
| JP62211498A |
Attorney, Agent or Firm:
Tsutomu Toyama (2 outside)