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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.
device comprising two light measuring apparatus namely photometer, radiometer, colorimeter, spectrophotometer and spectroradiometer combined together and used to measure the properties of light, namely radiance, luminance, reflectance, transmittance, color, contrast, color temperature, spectral power distribution and illuminance