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MATERIEL PHOTOGRAPHIQUE SOC ET
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MATERIEL PHOTOGRAPHIQUE SOC ET
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Application filed by MATERIEL PHOTOGRAPHIQUE SOC ETfiledCriticalMATERIEL PHOTOGRAPHIQUE SOC ET
Application grantedgrantedCritical
Publication of FR1064874ApublicationCriticalpatent/FR1064874A/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
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR1064874D1952-10-171952-10-17Perfectionnements apportés aux obturateurs photographiques
ExpiredFR1064874A
(fr)