Title:
HOLLOW LOCK BOLT AND METHOD OF REINFORCING CONSTRUCTION OF GROUND BY USING SAID BOLT
Document Type and Number:
Japanese Patent JPS61165498
Kind Code:
A
Inventors:
MATSUMOTO TOSHIO
Application Number:
JP634985A
Publication Date:
July 26, 1986
Filing Date:
January 16, 1985
Export Citation:
Assignee:
MATSUMOTO KOKAN KK
International Classes:
E21D20/00; E21D21/00; (IPC1-7): E21D21/00