Document Type and Number:
Japanese Patent JPS5087609
Kind Code:
U
More Like This:
Application Number:
JP14271473U
Publication Date:
July 25, 1975
Filing Date:
December 17, 1973
Export Citation:
International Classes:
E01B25/10; E01B25/08; E04D13/064; (IPC1-7): E01B25/08; E04D13/06