Military drones; propellers for drones; autonomous air vehicles for automatic spraying of crops and grass; unmanned aerial vehicles [UAVs]; civilian drones; delivery drones; aerodynamic wings for airplanes; photography drones; screw propellers for vehicles; hydraulic circuits for vehicles; underwater civilian drones; remote control vehicles, other than toys; remote controlled air vehicles; automatic driving air vehicles; aircraft; aircraft landing gear; structural parts and fittings for aircr...