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.
earth drilling and oil and gas well production, instrumentation and measurement devices; namely, downhole measurement-while-drilling tools, pump controllers, remote control valves, and production fluid monitors; and instrumentation and measurement devices for process, environmental, and medical testing; namely, in-process weighting apparatus, level controllers, and process flow stream analyzers