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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
phonograph record player needle holders, parts for sound recorders and producers-namely, pinch rollers and idler wheels, each of said items being comprised of custom molded rubber or plastic, and sold only to original equipment manufacturers based on the specification and drawings of said manufacturers submitted to the applicant preparatory to the manufacture of same