July 14 (Reuters) - Nokia Oyj :
* Says Nokia Networks will become the largest GSM-R supplier for Deutsche Bahn.
* Says DB Netz AG, the rail infrastructure company of Deutsche Bahn AG, has signed an 8-year contract with Nokia Networks to modernize its GSM-R network in Southern Germany.
* Says Nokia Networks will replace existing GSM-R radio systems with more than 2,000 Flexi base stations and provide implementation services. Further company coverage: (Reporting By Helsinki Newsroom)