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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.
equipment and devices for protecting the human eyes and face and skin against radiation, and against radiation emanating from the short circuiting of plasma arcs or other ionized gas discharges, namely, protective safety goggles, protective eye pieces in the nature of eye shields, face-protection shields in the nature of visors, protective helmets and sunglasses; sunglasses, optical filters, namely, absorption filters, interference filters, reflecting filters, infrared filters, ultraviolet filters, polarizing filters, optical filters and optical filter assemblies comprised of optical filters which can be adjusted with a view to transmission thereof, equipment for regulating the degree of transmission of radiation of adjustable filters or filter assemblies, namely, radiation shields for electronic filtering products; protective clothing and protective work clothing, namely, headwear for protection against fire, accidents, chemical and radiation