Title:
TUNNEL EXCAVATOR
Document Type and Number:
Japanese Patent JPS5231532
Kind Code:
A
Inventors:
MATSUSHITA IKUJIROU
Application Number:
JP10986076A
Publication Date:
March 10, 1977
Filing Date:
September 16, 1976
Export Citation:
Assignee:
KUMAGAI GUMI CO LTD
International Classes:
E21D9/06; (IPC1-7): E21D9/06