Title:
【発明の名称】トンネル掘削機
Document Type and Number:
Japanese Patent JP2721116
Kind Code:
B2
Inventors:
KIKUCHI TETSUKI
Application Number:
JP1241794A
Publication Date:
March 04, 1998
Filing Date:
February 04, 1994
Export Citation:
Assignee:
KAJIMA KENSETSU KK
International Classes:
E21D9/08; E21B21/00; (IPC1-7): E21C7/02
Domestic Patent References:
| JP5816293U |
Attorney, Agent or Firm:
Toshitada Takahashi (1 outside)