DIN EN 61558-2-20:2011 变压器,反应器,供电机组及其组合的安全性.第2-20部分:小型反应器的特殊要求和试验(IEC 61558-2-20-2010);德文版本EN 61558-2-20-2011
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20: Particular requirements and tests for small reactors (IEC 61558-2-20:2010); German version EN 61558-2-20:2011