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Amplituden Phasengang.svg Amplituden und Phasengang own Benutzer Berger Zittau date User Berger Zittau Berger Zittau Original upload log de Wdwdbot CommonsHelper de AmplitudenPhasengang svg Frank Murmann bytes no Information Amplituden und Phasengang selbst vektorisiert Vorlage Bitmap von Benutzer Berger Zittau Benutzer Berger