Hand-held motor-operated electric tools - Safety Part 2-1: Particular requirements for drills and impact drills (IEC 60745-2-1:2003, modified + A1:2008); German version EN 60745-2-1:2010
手持式电动工具.安全.第2-1部分:电钻和冲击电钻的特殊要求(IEC 60745-2-1-2003 修改+A1-2008);德文版EN 60745-2-1:2010