Elastic shaft couplings, torsion-proof shaft couplings, switchable and non-switchable couplings, centrifugal, starting and safety couplings, gears, elastic and torsion-proof cardan shafts, in particular of steel and/or fibre-reinforced plastics, brakes; all the aforesaid goods in particular for machines

parts of machines; namely, couplings and cardanic shafts