IC 011. US 013 021 023 031 034. G & S: Connecting pieces, accessories and apparatus for water supply, air conditioning, heating, ventilation, gas and water installations; valves, namely, regulating accessories for water supply, metered valves, central heating radiators, boilers for heating installations, thermostatic valves as parts of heating installations, gas regulators, water purification installations, water softening apparatus and installations
IC 019. US 001 012 033 050. G & S: Pipes not of metal, namely, non-metallic drainage pipes, non-metal water pipes; parts, fittings and accessories for the aforesaid goods, namely, non-metal pipe collars, plastic pipe supports, non-metal pipe connectors, non-metal elbows for pipes, non-metal pipe fittings for rigid pipes
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