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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.
fluid metering and dispensing system comprised of a material transfer device, a metering device, an outlet valve, a nozzle, an electric servomotor, and a controller, for metering and dispensing single and multi-component materials, namely, adhesives, sealants, lubricants, and flowable and non-flowable formulated chemicals, mastics, pastes, and materials in the nature of silicones, polyurethanes, epoxies, hot melts being a type of adhesive, warm melts, polyvinyl chlorides, sound deadeners, mastics, acrylics, and polysulfides