9
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.
audio and visual conferencing equipment, namely, audio transmitters and receivers, cordless headphones, microphones and their associated base stations, audio speakers, conferencing bridges and communication transmission switching and reception apparatus, namely, audio and video trackers used to monitor movement of personal microphones and conference participants