[Class : 6] Common Metals And Their Alloys; Building Materials Of Metal; Transportable Buildings Of Metal; Materials Of Metal For Railway Construction; Non Electric Cables And Wires Of Common Metal; Small Items Of Metal Hardware; Pipes Of Metal; Safes; Metal Goods Not Included In Other Classes; Ores; Metal Fittings For Sanitary Plumbing Fixtures And Heating Systems; Branching Pipes Of Metal; Pipes And Tubes Of Metal For Liquids; Water Pipes Of Metal; Ducts Of Metal, For Central Heating Installations; Manifolds Of Metal For Pipelines; Elbows Of Metal For Pipes; Junctions Of Metal For Pipes; Pipe Muffs Of Metal; Metal Valves For Sanitary Plumbing Fixtures And Heating Systems; Water Pipe Valves Of Metal; Drain Traps [Valves] Of Metal; Valves Of Metal, Other Than Parts Of Machines; Ball Valves; Shut Off Valves; Non Return Valves Of Metal; Brass, Unwrought Or Semi Wrought.