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INTERNAZ FONOVISIONE SpA SOC
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INTERNAZ FONOVISIONE SpA SOC
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Application filed by INTERNAZ FONOVISIONE SpA SOCfiledCriticalINTERNAZ FONOVISIONE SpA SOC
Priority to FR924605ApriorityCriticalpatent/FR1350996A/fr
Application grantedgrantedCritical
Publication of FR1350996ApublicationCriticalpatent/FR1350996A/fr
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR924605A1963-02-131963-02-13Dispositif de lecture de la piste optique de son d'un film pour électrophones à prépaiement et appareils similaires
ExpiredFR1350996A
(fr)