96/631/EC: Commission Decision of 17 July 1996 concerning State aid that the City of Mainz, a local authority of the Federal Republic of Germany, has granted to Grundstücksverwaltungsgesellschaft Fort Malakoff Mainz mbH & Co. KG, a subsidiary of Siemens AG/Siemens Nixdorf Informationssysteme AG (Only the German text is authentic) (Text with EEA relevance)