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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SEILIB
Original Assignee
SEILIB
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Publication date
Application filed by SEILIBfiledCriticalSEILIB
Priority to FR7509275ApriorityCriticalpatent/FR2305754A1/fr
Publication of FR2305754A1publicationCriticalpatent/FR2305754A1/fr
Application grantedgrantedCritical
Publication of FR2305754B1publicationCriticalpatent/FR2305754B1/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
G03B21/00—Projectors or projection-type viewers; Accessories therefor
G03B21/54—Accessories
G03B21/64—Means for mounting individual pictures to be projected, e.g. frame for transparency
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Overhead Projectors And Projection Screens
(AREA)
Holders For Sensitive Materials And Originals
(AREA)
Photographic Processing Devices Using Wet Methods
(AREA)
FR7509275A1975-03-251975-03-25Cadre de montage pour diapositive
GrantedFR2305754A1
(fr)