Alvarez Hernandez, Andrea Maria Hernalser Hauptstraße 110 1170 Wien (Wien 17.,Hernals) AT (0664) 1 54 99 14
an d Höheren Bundeslehr- u Versuchsanstalt f chem Industrie Wien XVII Rosensteingasse 79 1170 Wien (Wien 17.,Hernals) AT (01) 4 86 14 89