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.
explosion pressure relief vents for safety purposes; automatic flowable material explosion isolation valves for safety purposes; explosion suppressors and parts therefor for safety purposes; explosion suppression storage and discharge containers for explosion suppression compositions; electrical controllers for detecting explosions and operating explosion suppressors; computer software for calculating the flow pattern and dispersion characteristics of a water mist dispersion from explosion suppression equipment for a given volume to be protected from an explosion hazard; explosion detectors; active explosion suppression systems consisting primarily of explosion suppression controllers, power supply units, relay cards, annunciator modules, explosion detectors, explosion suppressant storage containers, and discharge nozzles