Eurostat, Luxembourg. 74112200 (01/1995-..) Tubes and pipes of copper-nickel base alloys `cupro-nickel` or copper-nickel-zinc base alloys `nickel silver`: CN 74112200 /Exports /Unit = Prices (Euro/ton) /Partner: Liberia /Reporter: Eur27_2020 /74112200:Tubes and Pipes of Copper-nickel Base Alloys `cupro-nickel` or Copper-nickel-zinc Base Alloys `nickel Silver`.