Document Type and Number:
Japanese Patent JPS6250601
Kind Code:
B2
Inventors:
KISHIKAWA TAKESHI
Application Number:
JP6567083A
Publication Date:
October 26, 1987
Filing Date:
April 15, 1983
Export Citation:
Assignee:
SEIJU KK
International Classes:
E01C1/00; E01C5/08; E01D19/12