German tech firm Kontron AG said on Wednesday that it has signed multimillion-euro railway contracts in three European Union countries. The three contracts - in Ireland, Austria, and Slovenia - are worth more than €100 million ($107.6 million). "In Ireland and Austria, the contracts will ensure the continued evolution of the proven and standardized GSM-R [Global System for Mobile Communication-Railway]," the company said in a statement. In Slovenia, Kontron in cooperation with its sister concern