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Priority to FR44885ApriorityCriticalpatent/FR1422072A/fr
Application grantedgrantedCritical
Publication of FR1422072ApublicationCriticalpatent/FR1422072A/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
G03B27/00—Photographic printing apparatus
G03B27/02—Exposure apparatus for contact printing
G03B27/14—Details
G03B27/30—Details adapted to be combined with processing apparatus
G03B27/303—Gas processing
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR44885A1964-06-091964-06-09Perfectionnements aux appareils de photocopie
ExpiredFR1422072A
(fr)