Hydraulic couplings with integral shock absorbers, for land vehicles; air shock absorbers for vehicle suspension components for damping driver seats and cabins; suspension shock absorbers for vehicles; motorcycle parts, namely, handlebar suspension stems; torsion shock absorbers for vehicles; shock absorbers for vehicles; Rotary hydraulic shock absorbers for vehicles; shock absorbers for automobiles; shock absorbers for the vehicle suspension units; shock absorbers for vehicle bumpers; shock ...