Home / Standards / GB/T 20141-2018 GB/T 20141-2018 Active Formed wire concentric lay overhead electrical stranded conductors 型线同心绞架空导线 Standard Type GBT ICS 29.060.10 CCS K11 Status 现行 Issue Date 2018-12-28 Implementation 2019-07-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A