Document Type and Number:
Japanese Patent JPS5418892
Kind Code:
Y2
Application Number:
JP13530473U
Publication Date:
July 14, 1979
Filing Date:
November 20, 1973
Export Citation:
International Classes:
G11B5/127; G11B5/115; G11B5/133; G11B5/29; (IPC1-7): G11B5/28; G11B5/12