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GEORGES ION MATEESCO
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GEORGES ION MATEESCO
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Application filed by GEORGES ION MATEESCOfiledCriticalGEORGES ION MATEESCO
Application grantedgrantedCritical
Publication of FR513256ApublicationCriticalpatent/FR513256A/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
G03B21/00—Projectors or projection-type viewers; Accessories therefor
G03B21/14—Details
G03B21/32—Details specially adapted for motion-picture projection
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR513256A1920-04-081920-04-08
Mechanism for rewinding films in cinematographic devices
ExpiredFR513256A
(en)