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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.
contaminant detector systems, namely chemical/biological detectors consisting of lasers, sensors, telescopes, cameras, optical fibers, spectrographs, detecting apparatus, computer processors, and related parts and fittings, all for detecting chemical and/or biological surface contaminants from a distance in field applications for military, homeland defense, emergency response, and environmental protection purposes