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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.
control valves, nozzles and fittings, and extension hoses for use in regulating the flow of gasses and liquids, and kits comprising the foregoing items sold as a unit; propane hose assemblies, disconnect couplings, propane gas outlets, propane adapters, propane gas assemblies, ball valves, needle valves, propane torch hoses, propane delivery hoses, gas delivery hoses, copper tubing, propane adaptors, and gas and propane appliance orifices