Document Type and Number:
Japanese Patent JPS5142342
Kind Code:
Y1
Application Number:
JP8601170U
Publication Date:
October 15, 1976
Filing Date:
August 31, 1970
Export Citation:
International Classes:
G11B15/43; G11B15/10; G11B15/22; (IPC1-7): G11B15/43; G11B15/10; G11B15/22