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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.
phonograph pickups, phonograph pickup cartridges, phonograph styli, phonograph stylus force gauges, microphones, microphone cartridges, microphone cables, microphone transformers, vibration pickup transducers, telephone handsets, loudspeakers, electronic consoles, microphone mixer amplifiers, preamplifiers, power amplifiers, equalization amplifiers, limiting amplifiers, isolation amplifiers, audio electronic systems comprising microphones, preamplifiers, consoles, amplifiers, equalizers, and loudspeakers, teleconferencing systems comprising microphones, loudspeakers, cables, and echo cancelers, and stands, covers, carrying cases, transformers, and cables for microphones, consoles, amplifiers and loudspeakers