Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 2: Pot-cores for use in telecommunications, power supply, and filter applications (IEC 63093-2:2020); German version EN IEC 63093-2:2020
铁氧体磁芯.表面不规则性的尺寸和极限指南.第2部分:电信、电源和滤波器应用中使用的盆形磁芯(IEC 63093-2-2020);德文版EN IEC 63093-2:2020