[Class : 7] Valves (Parts Of Machines), Clack Valves (Parts Of Machines), Filters (Parts Of Machines Or Engines), Pneumatic Controls For Machines, For Motors And For Engines, Cylinders For Machines, Speed Regulators For Machines, Engines And Motors, Regulators (Parts Of Machines), Pressure Regulators (Parts Of Machines) Included In Class 7.[Class : 6] Metal Pipe Coupling, Metal Pipe Fittings, Drain Traps (Valves) Of Metal, Metal Pipes, Valves (Not Being Parts Of Machines), Common Metals And Their Alloys, Metal Building Materials, Transportable Buildings Of Metal, Materials Of Metal For Railway Tracks, Non Electric Cables And Wires Of Common Metal, Ironmongery, Small Items Of Metal Hardware, Pipes And Tubes Of Metal, Safes, Goods Of Common Metal Not Included In Other Classes, Ores Included In Class 6.[Class : 17] Polyurethane Pipes, Non Metal Pipe Couplings, Non Metal Pipe Fittings, Connecting Pipes For Vehicle Radiators, Non Metal Flexible Tubes, Hoses Made Of Textile Materials Included In Class 17.