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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5152204
Kind Code:
U
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JP2006526244Copy protection information management method for recording media
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Application Number:
JP12629474U
Publication Date:
April 21, 1976
Filing Date:
October 18, 1974
Export Citation:
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International Classes:
G11B19/12; G11B3/60; G11B17/02; (IPC1-7): G11B3/60
Domestic Patent References:
JPS4852204A1973-07-23



 
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