Door closers, electric; door closers, hydraulic; door closers, pneumatic; door openers, electric; door openers, hydraulic; door openers, pneumatic; window closers, electric; window closers, hydraulic; window closers, pneumatic; window openers, electric; window openers, hydraulic; window openers, pneumatic; driving motors, other than for land vehicles; springs [parts of machines]; crankcases for machines, motors and engines; gear boxes, other than for land vehicles; valves [parts of machines]; clack valves [parts of machines]; pressure valves [parts of machines]; belts for motors and engines; cylinders for motors and engines; exhausts for motors and engines; fans for motors and engines; hydraulic engines and motors; mufflers for motors and engines; starters for motors and engines; control cables for machines, engines or motors; control mechanisms for machines, engines or motors; fan belts for motors and engines; motors, other than for land vehicles; radiators [cooling] for motors and engines; connecting rods for machines, motors and engines; hydraulic controls for machines, motors and engines; motors, electric, other than for land vehicles; pneumatic controls for machines, motors and engines; pumps [parts of machines, engines or motors]; speed governors for machines, engines and motors; taps [parts of machines, engines or motors]; engine mounts, other than for land vehicles; gears, other than for land vehicles; reduction gears, other than for land vehicles; couplings, other than for land vehicles; shaft couplings [machines]; pistons for engines; cylinder heads for engines; anti-friction bearings for machines; joints [parts of engines]; injectors for engines; compressed air engines; pistons [parts of machines or engines]; filters for cleaning cooling air, for engines, jet engines, other than for land vehicles.;