Home / Standards / GB/T 37317-2019 GB/T 37317-2019 Active Railway applications—Guide for lightning protection of DC overhead contact system 轨道交通 直流架空接触网雷电防护导则 Standard Type GBT ICS 29.280 CCS S35 Status 现行 Issue Date 2019-03-25 Implementation 2019-10-01 Responsible Dept 国家铁路局 Drafting Unit N/A