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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.
telecommunications products, namely; data communications systems, comprising digital multiplexers, data interface plug-in units, switching interface computer programs, circuit maintenance computer programs, circuit maintenance computer programs, digital carriers and regenerators; transmission systems comprising inter-office and loop carrier digital channel banks, channel interface plug-in units, common plug-in units, multiplexers, facility terminals and intelligent adjuncts to existing channel banks; and customer premises equipment namely; data service units, simultaneous voice/data units, data terminals, network channel terminating units, network interface units, and customer data multiplexers