标准摘要
[中文适用范围]： 涉及排水沟清洁剂的安全和要求。本第 2-21 部分应与 IEC 60745-1 Ed 3.0 结合使用。 [外文原描述]： Deals with the safety of tools which the rated voltage is not more than 250 V for single-phase a.c. or d.c. tools and 440 V for three-phase a.c. tools. Supplements or modifies the corresponding clauses of IEC 60745-1
英文名称Hand-held motor-operated electric tools - Safety - Part 2-21: Particular requirements for drain cleaners