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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 atmosphere control equipment used to control the mixing of gases in industrial furnaces and comprised primarily of electronic control panels, injectors, flow meters, flow and pressure switches, pressure regulators, solenoids, metering valves, alarm devices and system status control devices for heat treatment, all the above not being parts of machines