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pressure-reducing valves for pipes, boiler shells, tanks, vats and the like (excluding cast iron or steel, those combined with filters or lubricators)
reduceerventielen, andere dan van gietijzer of van staal, niet gecombineerd met filters of smeerapparaten
pressure-reducing valves of cast iron or steel, for pipes, boiler shells, tanks, vats and the like (excluding those combined with lubricators or filters)
reduceerventielen van gietijzer of van staal, niet gecombineerd met filters of smeerapparaten