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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.
electronic communications system comprised essentially of headend apparatus, namely, communication and control server, remote communication terminal, end use of energy management device, namely, communication gateway, network interface device that provides two-way communication of power status to an electric utility over cable, satellite, or rf networks, and computer software for controlling the foregoing