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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.
fiber optic instruments, namely, fiber optic based apparatuses used for measurement, display, and control of process variables for measurement of pressure, differential pressure, vacuum, level, flow, temperature, strain, load, vibration, acceleration, position and displacement, namely, transducers and signal conditioners