DIN EN IEC 60336:2023 医用电气设备 医疗诊断用 X 射线管组件 焦点尺寸和相关特性（IEC 60336:2020 + Cor. 1:2022）
Medical electrical equipment - X-ray tube assemblies for medical diagnosis - Focal spot dimensions and related characteristics (IEC 60336:2020 + Cor. 1:2022); German version EN IEC 60336:2021 + AC:2022