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EDISON IMP HOUSE SOC
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EDISON IMP HOUSE SOC
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Application filed by EDISON IMP HOUSE SOCfiledCriticalEDISON IMP HOUSE SOC
Application grantedgrantedCritical
Publication of FR320160ApublicationCriticalpatent/FR320160A/fr
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
G11B25/02—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using cylindrical record carriers
FR320160D1902-04-031902-04-03Boite de résonance pour phonographes
ExpiredFR320160A
(fr)