FR503433A - Perfectionnement dans une machine combinée pour produire des impressions photographiques sur plaques d'impression par contact direct ou projection
- Google Patents
Perfectionnement dans une machine combinée pour produire des impressions photographiques sur plaques d'impression par contact direct ou projection
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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
Landscapes
Physics & Mathematics
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General Physics & Mathematics
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FR503433A1919-09-021919-09-02Perfectionnement dans une machine combinée pour produire des impressions photographiques sur plaques d'impression par contact direct ou projection
ExpiredFR503433A
(fr)