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FR DUGROMACOLOR SOC
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FR DUGROMACOLOR SOC
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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
G03B33/00—Colour photography, other than mere exposure or projection of a colour film
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Physics & Mathematics
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FR67328D1954-12-171954-12-17Nouveau dispositif optique permettant la superposition d'images élémentaires
ExpiredFR67328E
(fr)