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PentodeSymbol.svg Symbol fr eine Pentode Anode Kathode Steuergitter Schirmgitter Bremsgitter Kathodenheizung Autor Lars Rohwedder de User RokerHRO Selbst erstellt mit Xfig Quelldatei unter de User RokerHRO fig Lizenz Gemeinfrei de German RokerHRO SVG vacuum tubes Electrodes Pentodes
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