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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.
microprocessor-based, distributed control and data acquisition network consisting of keyboards, display panels and associated fully integrated operating system architecture, used for manufacturing and municipal operations, and information processing systems, for use in the field of electric power generation and distribution, steel, aluminum and other metal-making operations, water and wastewater treatment operations, and chemical process operations