DIN EN 60745-2-1-2011 手持式电动工具.安全性.第2-1部分:钻头和冲击钻的特殊要求(IEC 60745-2-1-2003,修订版+ A1-2008);德文版本EN 60745-2-1-2010
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