PN-EN ISO 80601-2-67-2021-05 E 医用电气设备 第2-67部分:氧气保存设备基本安全和基本性能的特殊要求(ISO 80601-2-67:2020)
Medical electrical equipment -- Part 2-67: Particular requirements for basic safety and essential performance of oxygen-conserving equipment (ISO 80601-2-67:2020)