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Individual
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Individual
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Publication of FR488657ApublicationCriticalpatent/FR488657A/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
G03B27/326—Enlargers
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR488657D1917-07-041917-07-04Appareil pour agrandissements photographiques
ExpiredFR488657A
(fr)