DIN CLC/TS 50537-1-2011 轨道交通.牵引变压器和冷却系统的装配部件.第1部分:牵引变压器用高压套管;德文版本CLC/TS 50537-1-2010
Railway applications - Mounted parts of the traction transformer and cooling system - Part 1: HV bushing for traction transformers; German version CLC/TS 50537-1:2010