NRW.BANK IS.172 VAR, DE000NWB1723 NRW.BANK IS.172 VAR 23.12.2011 - 15:21:20 NRW.BANK IS.172 VAR. ISIN: DE000NWB1723 WKN: NWB172 Fotolia.com / paris paoFotolia.com / paris pao