Document Type and Number:
Japanese Patent JPS5025127
Kind Code:
Y1
Application Number:
JP9565470U
Publication Date:
July 29, 1975
Filing Date:
September 26, 1970
Export Citation:
International Classes:
G11B15/10; G11B15/02; G11B15/18; (IPC1-7): G11B15/02; G11B15/18