Home / Standards / GB/T 18857-2019 GB/T 18857-2019 Active Technical guide for live working on distribution line 配电线路带电作业技术导则 Standard Type GBT ICS 29.240.01 CCS K40 Status 现行 Issue Date 2019-05-10 Implementation 2019-12-01 Responsible Dept 中国电力企业联合会 Drafting Unit N/A