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.
electrical jacks, plugs, patch cords, insulation displacement connector blocks, [ connector blocks, ] connector modules, and connectors for the transmission and interconnection of voice, data, video, and audio signals; and plates, surface-mount boxes, patch panels, patch blocks, patch cords, insulation displacement connector blocks, and housings in which jacks, plugs, connector modules, and connectors for the transmission and interconnection of voice, data, video, and audio signals are mounted or otherwise retained