12 hydraulic, pneumatic, hydropneumatic, [ electromechanical, ] mechanical springs and dampers with locking devices [ and with devices for determining weight and position ] including impact absorbers, for land vehicles and aircrafts; hydraulic, pneumatic, hydropneumatic, [ electromechanical, ] mechanical springs and dampers without locking devices [ and with devices for determining weight and position ] including impact absorbers, for land vehicles and aircrafts; hydraulic, pneumatic, hydropneumatic, mechanical springs and dampers for motor vehicle seats, for commercial vehicle seat, [ for adjusting the axle springs of motor vehicles, ] for agricultural trailers; hydraulic, pneumatic, hydropneumatic, mechanical springs and dampers for motor vehicle body parts, namely, spoilers, motor vehicle doors, hoods, flap arrangements, trunk lids, body works and glove box lids; hydraulic pneumatic, hydropneumatic, mechanical springs and dampers for wheel chairs, for bicycles, for side, rear and front windows of motor vehicles, for gull-wing door, door stays, pop-up headlights, convertible tops of motor vehicles, roll bars and steering column adjustment systems of motor vehicles, for damping gear and throttle rods, engine vibrations, V-belts and steering linkages; parts of all aforementioned goods included in the class