FR1431206A - Appareil d'enregistrement photographique sur microfilms permettant de prendre deux vues identiques d'un seul et même document original
- Google Patents
Appareil d'enregistrement photographique sur microfilms permettant de prendre deux vues identiques d'un seul et même document original
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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MIKROFILM GmbH
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MIKROFILM GmbH
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Publication date
Application filed by MIKROFILM GmbHfiledCriticalMIKROFILM GmbH
Priority to FR7884ApriorityCriticalpatent/FR1431206A/fr
Application grantedgrantedCritical
Publication of FR1431206ApublicationCriticalpatent/FR1431206A/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
G03B27/50—Projection printing apparatus, e.g. enlarger, copying camera with slit or like diaphragm moving over original for progressive exposure
Landscapes
Physics & Mathematics
(AREA)
Optics & Photonics
(AREA)
General Physics & Mathematics
(AREA)
FR7884A1965-03-041965-03-04Appareil d'enregistrement photographique sur microfilms permettant de prendre deux vues identiques d'un seul et même document original
ExpiredFR1431206A
(fr)