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MAGNETICA LASSNER TALALMANYOK
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MAGNETICA LASSNER TALALMANYOK
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Application filed by MAGNETICA LASSNER TALALMANYOKfiledCriticalMAGNETICA LASSNER TALALMANYOK
Application grantedgrantedCritical
Publication of FR475202ApublicationCriticalpatent/FR475202A/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
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR475202D1913-05-211914-05-19Dispositif pour l'enregistrement et la reproduction des films parlants
ExpiredFR475202A
(fr)
Dispositif pour l'enregistrement photographique des vibrations lumineuses d'une source de lumière influencée par des vibrations sonores et pour la reproduction de l'enregistrement au moyen d'une pile au sélénium