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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APP DE CINEMATOGRAPHIE Ste
Original Assignee
APP DE CINEMATOGRAPHIE Ste
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Filing date
Publication date
Application filed by APP DE CINEMATOGRAPHIE StefiledCriticalAPP DE CINEMATOGRAPHIE Ste
Application grantedgrantedCritical
Publication of FR878557ApublicationCriticalpatent/FR878557A/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
G03B3/02—Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR878557D1942-01-171942-01-17Perfectionnements aux tourelles d'objectifs pour appareils photographiques et cinématographiques
ExpiredFR878557A
(fr)