Actuators being parts of braking installations, namely, pneumatic linear actuators for land vehicles; actuators being powered parts of braking installations, namely, pneumatic linear actuators for land vehicles; apparatus for towing vehicles, namely, vehicle tow bars, trailer hitches, tow trucks; apparatus for transport by land, namely, land vehicles; appliances for steering vehicles, namely, steering wheels for vehicles, steering rudders; articulated support frames specifically adapted for u...