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Scientific apparatus and instruments, namely, optical mirrors, scientific apparatus for determining the water content in petroleum products, glass tubes for scientific purposes, conductivity meters, prisms for scientific purposes; nautical apparatus and instruments, namely, level measuring machines, leveling rods, surveying machines and instruments, surveying chains; photographic apparatus and instruments, namely, photographic cameras, photographic exposure meters, photographic filters, photographic flash bulbs and flash units, cinematographic apparatus and instruments, namely, cinematographic cameras, cinematographic film, cinematographic machines and apparatus, sound recording apparatus and instruments; optical apparatus and instruments, namely, optical filters, optical glasses, optical lens sights, optical scanners, optical readers, optical reflectors; weighing apparatus and instruments, namely, scales and balances; measuring apparatus and instruments, namely, instruments for measuring length, bevels, lasers for measuring purposes, instruments for detecting and measuring two-dimensional distribution of force and pressure, measuring rules, measuring spoons, radiation measuring instruments, conductivity meters, thermometers; signalling apparatus and instruments, namely, signal processors, signal splitters for electronic apparatus, signal band separators for use in telecommunications applications; checking apparatus and instruments, namely, graduation checkers, apparatus for checking flight parameters; life-saving apparatus and instruments, namely, life-saving rafts, protective helmets; teaching apparatus and instruments, namely, medical teaching mannequins, video projectors; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, fibers for conducting electrical charges, electrical conductors, conductivity meters, electrical relays and transformers, electric switches, electric current switches, electrical switchgear in the nature of voltage boosting devices for electric power lines, voltage regulators for electric power, electric accumulators, electrical controllers; apparatus for recording, transmission or reproduction of sound or images; blank magnetic data carriers, pre-recorded magnetic data carriers featuring video games; blank recording discs; pre-recorded compact discs and DVDs featuring video games; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus