VDE 0570-1-2006 Safety of power transformers@ power supplies@ reactors and similar products - Part 1: General requirements and tests (IEC 61558-1:2005); German version EN 61558-1:2005
Sicherheit von Transformatoren@ Netzgeraeten@ Drosseln und dergleichen - Teil 1: Allgemeine Anforderungen und Pruefungen (IEC 61558-1:2005); Deutsche Fassung EN 61558-1:2005
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