Document Type and Number:
Japanese Patent JPS5075229
Kind Code:
U
Application Number:
JP12994773U
Publication Date:
July 01, 1975
Filing Date:
November 10, 1973
Export Citation:
International Classes:
E01C23/16; A63C19/06; E01C23/20; E01C23/24; E01F9/00; (IPC1-7): A63C19/06; E01F9/00