Medical electrical equipment - Part 2-25: Particular requirements for the basic safety and essential performance of electrocardiographs (IEC 60601-2-25:2011); German version EN 60601-2-25:2015
医用电气设备.第2-25部分:心电图机基本安全和基本性能的特殊要求(IEC 60601-2-25-2011);德文版EN 60601-2-25:2015