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CHRISTEN EMILE
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CHRISTEN EMILE
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Application filed by CHRISTEN EMILEfiledCriticalCHRISTEN EMILE
Application grantedgrantedCritical
Publication of FR323758ApublicationCriticalpatent/FR323758A/en
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
G03B9/00—Exposure-making shutters; Diaphragms
G03B9/08—Shutters
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR323758D1902-08-121902-08-12
Mechanism applicable to photographic camera shutters and allowing their automatic release either for snapshot or exposure
ExpiredFR323758A
(en)