Eurostat, Luxembourg. 84834025 (01/2006-..) Worm gear for machinery (excl. friction gears, gear boxes and other speed changers): CN 84834025 /Exports /Unit = Prices (Euro/ton) /Partner: Burkina Faso /Reporter: Eur27_2020 /84834025:Worm Gear for Machinery (Excl. Friction Gears, Gear Boxes and Other Speed Changers).