Document Type and Number:
Japanese Patent JPS6218002
Kind Code:
B2
Inventors:
SHIMIZU TORANOSUKE
Application Number:
JP15055180A
Publication Date:
April 21, 1987
Filing Date:
October 27, 1980
Export Citation:
Assignee:
SHIMIZU CONSTRUCTION CO LTD
International Classes:
G01D7/00; G01C1/06; G01C25/00