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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.
laboratory apparatus, namely, pressure digestion systems comprising high and low pressure vessels for sample preparation in chemical analysis and chemical synthesis, and accessories for use with such systems, namely, pressure vessel inserts and linings, pressure gauges and pressure gauge adapters, agitators and agitator motors, temperature sensors, valves; microwave systems for sample preparation in chemical analysis comprising microwave ovens; water content analysis systems comprising water and moisture analyzers for solid materials