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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.
network interface device comprising one or more microprocessors, an electrical power supply, electronic signal conditioning circuitry, diagnostic computer hardware and software for use in detecting power supply overload conditions, analog to digital signal conversion computer hardware and software, electronic timers, and computer indicating signal devices, namely, led displays, for use in acquiring, translating and transmitting signals in digital form over a network for industrial and medical applications