Title:
TUNNEL EXCAVATION METHOD AND TUNNEL EXCAVATOR
Document Type and Number:
Japanese Patent JPS569593
Kind Code:
A
Inventors:
ODAJIMA TAKASHI
TSUKAMOTO TSUNEO
TSUKAMOTO TSUNEO
Application Number:
JP8260679A
Publication Date:
January 31, 1981
Filing Date:
July 02, 1979
Export Citation:
Assignee:
TEKKEN CONSTR CO
International Classes:
E21D9/13; E21D9/08; E21D9/10; (IPC1-7): E21D9/10
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