DIN EN 60077-1:2018
轨道交通.机车车辆电力设备.第1部分:通用工作条件和总则(IEC 60077-1-2017); 德文版本EN 60077-1-2017
Railway applications - Electric equipment for rolling stock - Part 1: General service conditions and general rules (IEC 60077-1:2017); German version EN 60077-1:2017