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Publication of FR1151665ApublicationCriticalpatent/FR1151665A/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
G03B9/00—Exposure-making shutters; Diaphragms
G03B9/08—Shutters
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FR1151665D1955-06-161956-06-16Diaphragme à iris, en particulier pour appareil photographique
ExpiredFR1151665A
(fr)