Document Type and Number:
Japanese Patent JPS52124028
Kind Code:
U
Application Number:
JP3258976U
Publication Date:
September 21, 1977
Filing Date:
March 17, 1976
Export Citation:
International Classes:
E04H6/42; E01F13/00; E01F15/00; (IPC1-7): E04H6/42; E01F15/00