DIN EN ISO 11148-4-2011 手持非电动工具.安全性要求.第4部分:非旋转式冲击动力工具(ISO 11148-4-2010).德文版本EN ISO 11148-4-2010
Hand-held non-electric power tools - Safety requirements - Part 4: Non-rotary percussive power tools (ISO 11148-4:2010); German version EN ISO 11148-4:2010