Title:
SHIELDING EXCAVATOR
Document Type and Number:
Japanese Patent JPS5883796
Kind Code:
A
Inventors:
OOTSUKA RIYUUSABUROU
ITOU HIROYUKI
ITOU HIROYUKI
Application Number:
JP18037181A
Publication Date:
May 19, 1983
Filing Date:
November 12, 1981
Export Citation:
Assignee:
ISHIKAWAJIMA HARIMA HEAVY IND
International Classes:
E21D9/06; (IPC1-7): E21D9/06
Attorney, Agent or Firm:
Nobuo Kinutani