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Publication of FR971832ApublicationCriticalpatent/FR971832A/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
G03B27/54—Lamp housings; Illuminating means
G03B27/542—Lamp housings; Illuminating means for copying cameras, reflex exposure lighting
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Physics & Mathematics
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General Physics & Mathematics
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FR971832D1948-09-201948-09-20Dispositifs pour la reproduction des documents à la lumière artificielle
ExpiredFR971832A
(fr)