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Application filed by Istvan RososfiledCriticalIstvan Rosos
Priority to BE439209ApriorityCriticalpatent/BE439209A/fr
Publication of BE439209ApublicationCriticalpatent/BE439209A/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
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
BE439209A1940-09-031940-09-03Procédé de filtrage
BE439209A
(fr)