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.)
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
G03B21/14—Details
G03B21/32—Details specially adapted for motion-picture projection
G03B21/43—Driving mechanisms
G03B21/44—Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed
G03B21/48—Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed for altering frame speed; for regulating constancy of film speed
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Chemical & Material Sciences
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Organic Chemistry
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Physics & Mathematics
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General Physics & Mathematics
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Acyclic And Carbocyclic Compounds In Medicinal Compositions
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
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1,1-[Bis-(2',2',4'-Trimethyl-1',2'-dihydrochinol-6'-yl)]-äthan und seine Säureadditionssalze, Verfahren zur Herstellung derselben und ihre Verwendung als Antioxydationsmittel