Document Type and Number:
Japanese Patent JPS5030187
Kind Code:
Y2
Application Number:
JP10526271U
Publication Date:
September 04, 1975
Filing Date:
November 10, 1971
Export Citation:
International Classes:
E01C9/10; E01C5/16; E01C11/24; (IPC1-7): E01C11/24; E01C5/16