Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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MARCEL HALBOUT ETS
Original Assignee
MARCEL HALBOUT ETS
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Filing date
Publication date
Application filed by MARCEL HALBOUT ETSfiledCriticalMARCEL HALBOUT ETS
Application grantedgrantedCritical
Publication of FR923619ApublicationCriticalpatent/FR923619A/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
G03B19/00—Cameras
G03B19/02—Still-picture cameras
G03B19/04—Roll-film cameras
FR923619D1946-02-071946-02-07Perfectionnements aux appareils photographiques
ExpiredFR923619A
(fr)