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Publication of FR748178ApublicationCriticalpatent/FR748178A/fr
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
G03C7/46—Subtractive processes not covered by the group G03C7/26; Materials therefor; Preparing or processing such materials
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FR748178D1932-01-041932-12-29Procédé pour la production d'épreuves photographiques en couleurs
ExpiredFR748178A
(fr)