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.
electronic gas and flame detectors; electronic detection sensors for detecting the presence of hazardous gasses in the atmosphere; electronic detection systems, comprised of microprocessor-based alarm controllers and associated gas sensors, for monitoring the presence of hazardous gasses in the atmosphere; process analyzers for the detection of corrosive gases in gas samples; electronic gas calibrators; electronic monitors and displays for gas detection, analyzing, controlling and calibrating systems; enclosures for gas detectors for detecting the presence of gas and junction boxes; alarms for use with electronic gas detection, analyzing, controlling and calibrating systems; hardware and computer software for the operation of electronic gas detection, analyzing, controlling, and calibrating systems; hardware and software for processing of data derived from electronic gas detection, analyzing, controlling and calibrating systems