UNE-EN ISO 80601-2-74:2021
医用电气设备 第2-74部分：呼吸加湿设备基本安全和基本性能的特殊要求
Medical electrical equipment - Part 2-74: Particular requirements for basic safety and essential performance of respiratory humidifying equipment (ISO 80601-2-74:2021) (Endorsed by Asociación Española de Normalización in October of 2021.)