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Priority to FR822186ApriorityCriticalpatent/FR1251857A/fr
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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
G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
G03C5/08—Photoprinting; Processes and means for preventing photoprinting
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FR822186A1960-03-231960-03-23Procédé et dispositif pour obtenir des copies, en positif et en négatif, de clichés radiographiques et photographiques
ExpiredFR1251857A
(fr)