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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.
computer devices for use by students in science coursework for data acquisition, modeling and graphical analysis in the fields of mathematics, chemistry, physics, biology and engineering, comprised of computer software, computer interfaces, and data collection probes, namely, ph probes and accelerometers