Document Type and Number:
Japanese Patent JPS5025156
Kind Code:
Y1
Application Number:
JP10034970U
Publication Date:
July 29, 1975
Filing Date:
October 08, 1970
Export Citation:
International Classes:
G11B23/023; G11B15/68; G11B23/02; (IPC1-7): G11B23/02; G11B15/68