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CONTINSOUZA ETS
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CONTINSOUZA ETS
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Application filed by CONTINSOUZA ETSfiledCriticalCONTINSOUZA ETS
Application grantedgrantedCritical
Publication of FR542083ApublicationCriticalpatent/FR542083A/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
G03B21/00—Projectors or projection-type viewers; Accessories therefor
G03B21/14—Details
G03B21/32—Details specially adapted for motion-picture projection
G03B21/321—Holders for films, e.g. reels, cassettes, spindles
G03B21/323—Cassettes
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR542083D1921-10-071921-10-07Dispositif d'enroulement pour appareils cinématographiques
ExpiredFR542083A
(fr)