Eurostat, Luxembourg. 85044050 (01/1988-12/2005) Polycrystalline semiconductor rectifiers (excl. those for civil aircraft of subheading 8504.40.10): CN 85044050 /Exports /Unit = Prices (Euro/suppl. units) /Partner: Mauritania /Reporter: European Union /85044050:Polycrystalline Semiconductor Rectifiers (Excl. Those for Civil Aircraft of Subheading 8504.40.10).