Joints, knuckle joints, couplings for land vehicles, in particular couplings for tension and compression stress, including for air, steam, water and power conduits for linking two vehicles; components for rail-mounted and non-rail-mounted land vehicles, namely coupling devices, including couplings for power, energy, material, data and electricity transfer, and for air, steam, water and fibreoptic conduits between land vehicles; parts of all above goods, included in this class

Repair and maintenance of couplings, in particular automatic couplings for the mechanical engaging and disengaging of objects compelled in opposite directions, including cranes, pipes or pontoons, for forming a rigid connection, including for air, steam, water and power conduits between these objects; repair and maintenance of vehicles, in particular rail-mounted vehicles and superstructures therefor; repair and maintenance of joints, knuckle joints, shock absorbers, energy dissipation links and couplings for land vehicles, in particular couplings for tension and compression stress, including for air, steam, water and power conduits for linking two vehicles; repair and maintenance of parts for the aforesaid goods