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Publication of FR909415ApublicationCriticalpatent/FR909415A/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
G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
G03B27/52—Details
G03B27/58—Baseboards, masking frames, or other holders for the sensitive material
G03B27/582—Baseboards, easels
Landscapes
Physics & Mathematics
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General Physics & Mathematics
(AREA)
FR909415D1945-02-241945-02-24Châssis d'agrandissements photographiques à composteur automatique et à marge réglable
ExpiredFR909415A
(fr)