FR1119022A - Dispositif de mise au point pour systèmes optiques, en particulier pour objectifs d'appareils de prise de vues photographiques
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Dispositif de mise au point pour systèmes optiques, en particulier pour objectifs d'appareils de prise de vues photographiques
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KAMERABAU ANSTALT
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KAMERABAU ANSTALT
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Publication of FR1119022ApublicationCriticalpatent/FR1119022A/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
G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
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Physics & Mathematics
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General Physics & Mathematics
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FR1119022D1954-02-171955-02-10Dispositif de mise au point pour systèmes optiques, en particulier pour objectifs d'appareils de prise de vues photographiques
ExpiredFR1119022A
(fr)