Medical electrical equipment - Part 2-66: Particular requirements for the basic safety and essential performance of hearing aids and hearing aid systems (IEC 60601-2-66:2019); German version EN IEC 60601-2-66:2020
医用电气设备.第2-66部分:助听器和助听器系统的基本安全和基本性能的特殊要求(IEC 60601-2-66-2019);德文版EN IEC 60601-2-66:2020