DIN EN 50122-1:2011 轨道交通.固定设备.电气安全, 接地和回路.第1部分:抗电击的保护性规定;德文版本EN 50122-1-2011 + A1-2011
Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 1: Protective provisions against electric shock; German version EN 50122-1:2011 + A1:2011