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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VALSTS ELEKTROTECHNISKA FABRIK
Original Assignee
VALSTS ELEKTROTECHNISKA FABRIK
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Filing date
Publication date
Application filed by VALSTS ELEKTROTECHNISKA FABRIKfiledCriticalVALSTS ELEKTROTECHNISKA FABRIK
Application grantedgrantedCritical
Publication of FR830556ApublicationCriticalpatent/FR830556A/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
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR830556D1936-12-221937-12-08Perfectionnements aux appareils photographiques
ExpiredFR830556A
(fr)