Title:
【発明の名称】トンネルの掘削方法
Document Type and Number:
Japanese Patent JP3103285
Kind Code:
B2
Inventors:
Norio Takahashi
Tsutomu Igarashi
Yasutoshi Hagiwara
Kikyo Eikichi
Tsutomu Igarashi
Yasutoshi Hagiwara
Kikyo Eikichi
Application Number:
JP33415494A
Publication Date:
October 30, 2000
Filing Date:
December 15, 1994
Export Citation:
Assignee:
Okumura Gumi Co., Ltd.
International Classes:
E21D9/00; E21D9/10; E21D9/12; (IPC1-7): E21D9/12; E21D9/10
Domestic Patent References:
JP5673795A | ||||
JP4915225A |
Attorney, Agent or Firm:
Takuya Yamamoto