[Class : 7] Aeronautical Engines; Aeroplane Engines; Agricultural Implements Other Than Hand Operated; Agricultural Machines; Anti Pollution Devices For Motors And Engines; Axles For Machines; Blade Holders (Parts Of Machines); Blades (Parts Of Machines); Connecting Rods For Machines, Motors And Engines; Control Mechanisms For Machines, Engines Or Motors; Controls (Hydraulic ) For Machines, Motors And Engines; Controls (Pneumatic ) For Machines, Motors And Engines; Couplings Other Than For Land Vehicles; Crankshafts; Crankshafts For Machines, Motors And Engines; Cranks (Parts Of Machines); Cylinder Heads For Engines; Cylinders For Machines; Cylinders For Motors And Engines; Cylinders (Pistons For ); Driving Motors Other Than For Land Vehicles; Earth Moving Machines; Engines For Boats; Engines, Other Than For Land Vehicles; Exhausts For Motors And Engines; Fuel Conversion Apparatus For Internal Combustion Engines; Fuel Economisers For Motors And Engines; Gear Boxes Other Than For Land Vehicles; Gears, Other Than For Land Vehicles; Journals (Parts Of Machines);Manifold (Exhaust ) For Engines; Motors, Electric, Other Than For Land Vehicles; Piston Segments; Pistons For Cylinders; Pistons For Engines; Pistons (Parts Of Machines Or Engines); Rings (Piston ); Transmission Shafts (Bearings For ) ; Transmission Shafts (Other Than For Land Vehicles);Transmissions For Machines; Transmissions, Other Than For Land Vehicles; Turbo Compressors; Valves (Clack )(Parts Of Machines); Valves (Parts Of Machines) Excluding Friction Clutches, Brakes, Machine Couplings And Their Belting And Their Parts, Revolving Turrets, Self Centering Chucks And Tailstocks, Joints Being Goods Falling In Class 7.