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Publication of FR557629ApublicationCriticalpatent/FR557629A/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
G03B17/00—Details of cameras or camera bodies; Accessories therefor
G03B17/28—Locating light-sensitive material within camera
G03B17/32—Locating plates or cut films
G03B17/34—Changing plates or cut films
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FR557629D1922-10-191922-10-19Dispositif assurant l'escamotage automatique et continu des plaques dans les appareils de photographie aérienne
ExpiredFR557629A
(fr)