Felix, Manfred, Ing., Weinbau-Grinzing Rudolf-Kassner-Gasse 3 1190 Wien (Wien 19.,Döbling) AT (01) 3 20 09 57
Freudenthaler, Gerhart, Dipl.-Ing. Sieveringer Straße 217 Stg 3 1190 Wien (Wien 19.,Döbling) AT (01) 4 40 37 76