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Publication of FR349579ApublicationCriticalpatent/FR349579A/fr
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
G11B3/68—Record carriers
G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
FR349579D1904-12-101904-12-10Perfectionnements aux disques pour appareils reproduisant les sons
ExpiredFR349579A
(fr)
Fabrication, au moyen de fécules et dextrines de provenances quelconques, de disques ou plaques et cylindres pour appareils reproducteurs des sons enregistrés
Fabrication au moyen de fécules et dextrines, de provenances quelconques, de disques ou plaques et cylindres, pour appareils reproducteurs des sons enregistrés