Document Type and Number:
Japanese Patent JPS4831705
Kind Code:
A
Application Number:
JP6566071A
Publication Date:
April 26, 1973
Filing Date:
August 27, 1971
Export Citation:
International Classes:
G01D21/00; E01F7/04; E02D31/06; E04H17/00; (IPC1-7): E02D31/06