Document Type and Number:
Japanese Patent JPS4873905
Kind Code:
U
Application Number:
JP11713171U
Publication Date:
September 14, 1973
Filing Date:
December 14, 1971
Export Citation:
International Classes:
E02F3/06; E02F7/00; E02F7/04; (IPC1-7): E02F3/06; E02F7/00