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.
gas sensors for measuring gas concentrations; gas detectors for detecting the presence of gas; gas detecting, gas monitoring and gas analyzing apparatus and instruments in the nature of gas detectors for detecting the presence of gas, gas sensors for measuring gas concentration and structural parts and fittings thereof; gas sensors for measuring gas concentration; electrical cells, namely, electrochemical cells and structural parts and fittings thereof for sensing, detecting, measuring and analyzing gas