Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Pictorial Machinery Ltd
Original Assignee
Pictorial Machinery Ltd
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Filing date
Publication date
Application filed by Pictorial Machinery LtdfiledCriticalPictorial Machinery Ltd
Application grantedgrantedCritical
Publication of FR639254ApublicationCriticalpatent/FR639254A/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
G03B27/02—Exposure apparatus for contact printing
G03B27/04—Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box
G03B27/06—Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box for automatic repeated copying of the same original
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR639254D1926-08-111927-08-09
Improvements to frame presses for duplicators or printing devices
ExpiredFR639254A
(en)