DIN EN 60745-2-2-2007 手持式电动工具.安全性.第2-2部分:电动螺丝刀和冲击扳手的特殊要求
Hand-held motor-operated electric tools - Safety - Part 2-2: Particular requirements for screwdrivers and impact wrenches (IEC 60745-2-2:2003, modified); German version EN 60745-2-2:2003 + A11:2007