LU70273A1LU70273ALU70273ALU70273A1LU 70273 A1LU70273 A1LU 70273A1LU 70273 ALU70273 ALU 70273ALU 70273 ALU70273 ALU 70273ALU 70273 A1LU70273 A1LU 70273A1
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LU
Luxembourg
Application number
LU70273A
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Publication date
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Priority to LU70273ApriorityCriticalpatent/LU70273A1/xx
Priority to FR7510460Aprioritypatent/FR2274064A1/fr
Publication of LU70273A1publicationCriticalpatent/LU70273A1/xx
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
G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
G03B31/02—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is on a moving-picture film
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Physics & Mathematics
(AREA)
General Physics & Mathematics
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Silver Salt Photography Or Processing Solution Therefor
(AREA)