DIN EN IEC 60704-2-8-2020 家用和类似用途电器. 测定空气声噪声的试验规范. 第2-8部分: 电动剃须刀、理发剪或修剪器的特殊要求(IEC 60704-2-8-2020); 德文版 EN IEC 60704-2-8-2020
Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-8: Particular requirements for electric shavers, hair clippers or trimmers (IEC 60704-2-8:2020); German version EN IEC 60704-2-8:2020