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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.
devices, namely, optical sensors and associated data processing units, used in the recording, transmission and interpretation of environmental condition information, namely, temperature, pressure, flow, strain, presence or absence of biological or chemical elements, vibration, acoustics and atmospheric conditions