Description: Class 6: Tubes and fittings therefor, pipes, pipe connectors, valves, screws, clamps, pipe clips, metal closures for pipes, and metal plugs, all of these goods being made of metal
Class 7: Taps, valves, and connecting devices, regulators, tubes, and valves, all of these goods being parts of machines
Class 8: Manually-operated blowguns and hand tools, namely, tube cutters
Class 9: Safety apparatus, namely, valves and connectors, for conveying water, air, compressed air, and gas; safety valves for conveying water, air, compressed air, and gas; and safety blowguns for cleaning, removing dust, mixing, and for cooling
Class 11: Plumbing fittings, namely, cocks, taps, pressure regulators, connectors, and valves for use in water and fluid circulation installations, ventilation installations, and heating installations
Class 12: Connectors, tubes, and valves, all for fluid circuits in motor vehicles
Class 17: Non-metal tubes, pipes, pipe connectors, valves, screws, clamps, clips, closures for pipes, and plugs, all of these goods being machine parts made of plastic materials or composite materials