Title:
【発明の名称】トンネル工事用装置およびトンネル工事方法
Document Type and Number:
Japanese Patent JP2820358
Kind Code:
B2
Inventors:
Yoshinari Honjo
Atsushi Shiozawa
Atsushi Shiozawa
Application Number:
JP24021693A
Publication Date:
November 05, 1998
Filing Date:
September 28, 1993
Export Citation:
Assignee:
Toyo Transport Machine Co., Ltd.
International Classes:
E21D9/10; E21B7/02; E21B15/00; E21B19/08; E21D11/10; (IPC1-7): E21D11/10; E21C11/02
Attorney, Agent or Firm:
Yoshihiro Morimoto