DIN EN 50122-1 Berichtigung 1-2007 轨道交通.固定设备.第1部分:电气安全和接地相关的保护性措施
Railway applications - Fixed installations - Part 1: Protective provisions relating to electrical safety and earthing; German version EN 50122-1:1997 Corrigenda to DIN EN 50122-1 (VDE 0115-3):1997-12; German version CENELEC-Cor. :2007 to EN 50122-1:1997