Eurostat, Luxembourg. 81129231 (01/2002-12/2021) Unwrought niobium `columbium` and rhenium, niobium `columbium` or rhenium powders: CN 81129231 /Exports /Unit = Prices (Euro/ton) /Partner: Canada /Reporter: Eur27_2020 /81129231:Unwrought Niobium `columbium` and Rhenium; Niobium `columbium` or Rhenium Powders.