[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)'[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'[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'