Document Type and Number:
Japanese Patent JPS4945282
Kind Code:
Y1
Application Number:
JP11147969U
Publication Date:
December 11, 1974
Filing Date:
November 25, 1969
Export Citation:
International Classes:
G11B23/30; G11B15/02; G11B15/03; G11B15/22; G11B27/11; (IPC1-7): G11B15/02; G11B15/22; G11B27/20