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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.
automated flow injection quantitative analysis system comprised of a sampler in the nature of a bailer, an injector, a reaction manifold, a filling level detector, software for instrument control and data acquisition, a computer, and a printer, all for use in analyzing ph levels, the presence and levels of dissolved solids, metals, chemicals, and gases, and the presence and levels of bacteria and single-celled living organisms in drinking water, wastewater, seawater, brackish water, industrial water, industrial brine and caustic fluid matrices, surface water, dairy and beverage fluid matrices, agricultural soil extracts, aquarium water, and hydroponic fluids