Document Type and Number:
Japanese Patent JPS5214734
Kind Code:
U
More Like This:
Application Number:
JP10028075U
Publication Date:
February 02, 1977
Filing Date:
July 21, 1975
Export Citation:
International Classes:
E01C23/16; E01C23/18; E01C23/20; E01C23/24; (IPC1-7): E01C23/16