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Reterson Holding S A
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Reterson Holding S A
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Application filed by Reterson Holding S AfiledCriticalReterson Holding S A
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Publication of FR856283ApublicationCriticalpatent/FR856283A/fr
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
FR856283D1939-02-211939-02-21Procédé de duplicatage d'enregistrements sonores gravés sur films ou disques
ExpiredFR856283A
(fr)