DIN EN 60704-2-4-2013 家用和类似电气装置.空传噪声测定试验规范.第2-4部分:洗衣机和离心式脱水机清洗详细要求(IEC 60704-2-4-2011,修订版本).德文版本EN 60704-2-4-2012
Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-4: Particular requirements for washing machines and spin extractors (IEC 60704-2-4:2011, modified); German version EN 60704-2-4:2012