Title:
【発明の名称】シールド掘進機
Document Type and Number:
Japanese Patent JP2784017
Kind Code:
B2
Inventors:
OOTSUKA RYUSABURO
FUJII SHIGEO
FUJII SHIGEO
Application Number:
JP30467588A
Publication Date:
August 06, 1998
Filing Date:
December 01, 1988
Export Citation:
Assignee:
ISHIKAWAJIMA HARIMA JUKOGYO KK
International Classes:
E21D9/06; E21D9/087; (IPC1-7): E21D9/06; E21D9/08
Domestic Patent References:
| JP58213993A | ||||
| JP6225541U | ||||
| JP55158556U |
Attorney, Agent or Firm:
Tsunemitsu Yamada (1 person outside)