7 Engines and motors, other than for land vehicles, parts and fittings therefor: hydraulic and pneumatic controls for engines and motors, brake linings, other than for vehicles, brake pads, other than for vehicles, brake segments, other than for vehicles, brake shoes other than for vehicles, brake shoes, other than for vehicles, band brakes, other than for land vehicles, band brakes, other than for land vehicles, band brakes being machine elements other than for land vehicles, block brakes being machine elements other than for land vehicles, engine valves, valves for engines, valves for engines and motors, throttle valves [parts of engines and motors], vacuum control valves [parts of engines], exhaust gas recirculation [EGR] valves for motors and engines, positive crankcase ventilation [PCV] valves for motors and engines, vacuum control valves [parts of engines and motors] crankshafts (term too vague in the opinion of the International Bureau (Rule 13 (2) (b) of the Common Regulations), gearboxes, other than for land vehicles, cylinders for engines, pistons for engines, turbines, not for land vehicles, filters for engines and motors, oil, air and fuel filters for land vehicle engines, exhausts for land vehicle engines, exhaust manifolds for land vehicle engines, engine cylinders for land vehicles, engine cylinder heads for land vehicles, pistons for land vehicle engines, carburetors for land vehicles, fuel conversion apparatus for land vehicle engines, injectors for land vehicle engines, fuel economisers for land vehicle engines, pumps for land vehicle engines, valves for land vehicle engines, starter motors for land vehicles, dynamos for land vehicle engines, sparking plugs for land vehicle engines, machines, machine tools and industrial robots for processing and shaping wood, metals, glass, plastics and minerals, 3D printers; gas generators [compressors] for inflating flexible structures, gas generators [compressors] for inflating rigid structures