FR691023A - Dispositif d'éclairage pour projecteurs cinématographiques avec couronnes de lentilles compensant optiquement le déplacement de l'image
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Dispositif d'éclairage pour projecteurs cinématographiques avec couronnes de lentilles compensant optiquement le déplacement de l'image
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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
G03B41/00—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor
G03B41/02—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film
G03B41/04—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator
G03B41/08—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator with rotating transmitting member
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FR691023D1929-03-041930-03-03Dispositif d'éclairage pour projecteurs cinématographiques avec couronnes de lentilles compensant optiquement le déplacement de l'image
ExpiredFR691023A
(fr)