Document Type and Number:
Japanese Patent JPS507858
Kind Code:
Y1
Application Number:
JP13036370U
Publication Date:
March 08, 1975
Filing Date:
December 22, 1970
Export Citation:
International Classes:
G11B5/80; G03B31/04; G03B31/06; G11B23/44; (IPC1-7): G03B31/04; G11B5/80
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