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.
technical aids for the hearing impaired, namely, assistive listening devices and systems comprised of sound emitters, namely, sound alarms and sound amplifiers; light source, namely, light emitting diodes, light and sound detectors as well as receivers and transmitters; public address systems; loud speaker systems and sound systems comprised of wireless amplifiers, transmitters and speakers