EN 60335-2-21-2003 家用和类似用途电器的安全.第2-21部分:贮水式加热器的特殊要求;包含修改件A2-2008;合并勘误表2007年10月
Household and similar electrical appliances - Safety Part 2-21: Particular requirements for storage water heaters (Incorporating Corrigenda October 2007 and October 2010; Incorporates Amendment A2: 2008)