Document Type and Number:
Japanese Patent JPS6315401
Kind Code:
B2
Inventors:
KISHIKAWA TAKESHI
Application Number:
JP5384783A
Publication Date:
April 05, 1988
Filing Date:
March 31, 1983
Export Citation:
Assignee:
SEIJU KK
International Classes:
E01C1/00; E01C5/00