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WERKSTATTE fur FEINMECHANIK G
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WERKSTATTE fur FEINMECHANIK G
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Application filed by WERKSTATTE fur FEINMECHANIK GfiledCriticalWERKSTATTE fur FEINMECHANIK G
Application grantedgrantedCritical
Publication of FR558467ApublicationCriticalpatent/FR558467A/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
G03B27/16—Illumination arrangements, e.g. positioning of lamps, positioning of reflectors
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR558467D1921-11-091922-11-09Procédé pour la commande de machines à façonner les films
ExpiredFR558467A
(fr)