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Keywords from Image Description:
Relais opt range. Schematische Darstellung eines Energienetzes mit optimaler Distanzschutzrelaiseinstellung own original text eigene Arbeit br de Wdwd CommonsHelperLabs br Dipl Ing Ulrich Klapper Faruku at org de Yellowcard Apr CEST PDrelease Original upload log page de Relaisoptrange Faruku bytes no Information