Cam shafts; Camshafts for machines; Engine camshafts; Suspension ball joints [parts of machines]; Gear couplings for machines; Angle joints [parts of machines]; Universal joints [Cardan joints]; Shaft couplings, not for land vehicles; Shaft couplings as parts of machines; Machine couplings [other than pipe]; Jaw type shaft couplings other than for land vehicles; Joints [parts of engines]; Shaft couplings [machines]; Starting couplings for machines; Safety couplings [other than for land vehicles]; Safety couplings for machines; Overload couplings [parts of machines]; Sealing joints [parts of machines]; Power transmission couplings [other than for land vehicles]; Power transmission couplings for machines; Machine coupling and transmission components (except for land vehicles); Machine coupling and transmission components, except for land vehicles, and parts therefor; Machine couplings and transmissions, except for land vehicles; Flexible couplings [parts of machines]; Mechanical seals [machine parts]; Joints for tubes (metal -) [parts of machines]; Couplings, other than for land vehicles; Tumbler gears, other than for land vehicles; Pneumatic jacks; Shaft mounted gear units [other than for land vehicles]; Pressure reducers [parts of machines]; Belt drives; Variable speed drives for machines; Planetary gear transmissions, other than for land vehicles; Power shift transmissions [other than for land vehicles]; Articulated transmissions for machines; Change speed transmissions [other than for land vehicles]; Power transmissions [other than for land vehicles]; Power transmissions and gearing for machines [not for land vehicles]; Power transmissions for machines; Hydraulic transmissions, other than for land vehicles; Hydrostatic drives; Mechanical transmissions [other than for land vehicles]; Drives for ventilation flaps; Drives for conveyors; Transmissions for machines; Electric alternating current motor drives; Drives for elevator cabin doors; Drive transmissions, other than for land vehicles; Speed changers.;