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WISSENSCHAFTLICHES FORSCHUNGSI
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WISSENSCHAFTLICHES FORSCHUNGSI
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Application filed by WISSENSCHAFTLICHES FORSCHUNGSIfiledCriticalWISSENSCHAFTLICHES FORSCHUNGSI
Application grantedgrantedCritical
Publication of FR1147074ApublicationCriticalpatent/FR1147074A/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
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR1147074D1955-01-261956-01-23Appareil pour la confection de photocopies
ExpiredFR1147074A
(fr)