FR858206A - Appareil servant à tracer mécaniquement des inscriptions sonores dans des bandes sonores au moyen d'un organe d'inscription
- Google Patents
Appareil servant à tracer mécaniquement des inscriptions sonores dans des bandes sonores au moyen d'un organe d'inscription
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Tefi Apparatebau Dr Daniel KG
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Tefi Apparatebau Dr Daniel KG
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Publication of FR858206ApublicationCriticalpatent/FR858206A/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
FR858206D1938-08-131939-07-24Appareil servant à tracer mécaniquement des inscriptions sonores dans des bandes sonores au moyen d'un organe d'inscription
ExpiredFR858206A
(fr)