Safety of transportable motor - operated electric tools . part 2 : particular requirements for diamond drills with water supply 可移式电动工具的安全第二部分:带水源金刚石钻的专用要求
2.
Safety of transportable motor - operated electric tools - part 2 - 6 : particular requirements for diamond drills with water supply 移动式电动工具的安全.第2 - 6部分:带供水的金刚石钻的特殊要求