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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.
computer hardware-namely, [ chassis, progammable read only memories, power supplies, cables, cardcages for use with printed circuit boards, ] printed circuit boards [ comprising cpu boards, single board computers, memory expansion module boards, disk controller boards, prom programmer boards, design aid boards, extender card boards, ] prototype card boards, i/o boards, [ memory boards and backplane boards and disc subsystems comprising chassis, power supplies, cardcages, disk drives and ] disc controller boards