Patents:
H. Ertl, J.W. Kolar, F. Zach:
"Schaltung zur Pegelumsetzung von Ansteuersignalen";
Patent: Österreich, D, No. A1378/89; submitted: 01-01-1989.

German abstract:
(Patentinhaber: FRONIUS Schweißmaschinen KG).

Created from the Publication Database of the Vienna University of Technology.