Document Type and Number:
Japanese Patent JPS5075231
Kind Code:
U
Application Number:
JP12906473U
Publication Date:
July 01, 1975
Filing Date:
November 09, 1973
Export Citation:
International Classes:
E02F9/08; E01C19/00; E21D9/10; (IPC1-7): E21D9/10; E01C19/00