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.
automatic valves used to control fluid flow and not used as fluid meters in oil, gas and production wells, namely, safety valves, electronically controlled valves, hydraulically-controlled valves, electro-hydraulically controlled valves and remotely actuated valves, namely, flow control valves and controlled fluid and gas flow valves, all of the foregoing being parts for tools and equipment for oil and gas well completion; valves being parts of safety valves used to control fluid flow and not used as fluid meters in oil, gas and production wells