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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.
instruments for measuring, recording, and control of viscosity, consistency, plasticity, moisture, temperature, grindability and extensibility for use in research and development, quality control, pilot plants, and production, namely, rheometers, viscometers, rotational viscosimeters, integrating rheometers, torque rheometers, extrusion rheometers, plasticity meters