Title:
SHIELD EXCAVATOR
Document Type and Number:
Japanese Patent JPS5915198
Kind Code:
A
Inventors:
OOTSUKA RIYUUSABUROU
KATAYAMA MINORU
MAEDA KEIJI
KATAYAMA MINORU
MAEDA KEIJI
Application Number:
JP12222282A
Publication Date:
January 26, 1984
Filing Date:
July 15, 1982
Export Citation:
Assignee:
ISHIKAWAJIMA HARIMA HEAVY IND
International Classes:
E21D9/087; E21D9/08; E21D9/12; (IPC1-7): E21D9/08; E21D9/12
Domestic Patent References:
JPS5337653A | 1978-04-06 | |||
JPS566555U | 1981-01-21 | |||
JPS53123223U | 1978-09-30 |
Attorney, Agent or Firm:
Nobuo Kinutani