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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.
measuring and scientific appliances-namely, microscopes, microscope parts, microscope accessories, viz. binoculars, illuminating devices, image splitting devices, vernier measuring devices, light polarizing devices, multiple eyepiece devices, lens systems, mounting desks; metallography equipments for the microscopic study of metal structure, alloys, and other materials; survey equipment and accessories, viz. surveyor's levels, plumb bobs, tripods, mounting circles for surveyor's levels; cameras and camera accessories, viz. exposure control units, time lapse control units, filters, mounting stands; photometers, electronic particle and cell counters, and biological assay apparatus