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Publication of FR1135237ApublicationCriticalpatent/FR1135237A/en
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
(AREA)
General Physics & Mathematics
(AREA)
FR1135237D1954-11-171955-11-16
Apparatus for reproducing documents by light
ExpiredFR1135237A
(en)