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Title:
METHOD OF EXECUTING ROCK ANCHOR TO DEGRADING BASE ROCK
Document Type and Number:
Japanese Patent JPS56100999
Kind Code:
A
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Inventors:
NAGANO TOSHIMI
OOTSU KUNIHIRO
Application Number:
JP126980A
Publication Date:
August 13, 1981
Filing Date:
January 11, 1980
Export Citation:
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Assignee:
JAPAN NATIONAL RAILWAY
OKABE KK
International Classes:
E21D21/00; E21D20/00; E21D20/02; (IPC1-7): E21D20/02



 
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