Home / Standards / GB/T 1179-2017 GB/T 1179-2017 Active Round wire concentric lay overhead electrical stranded conductors 圆线同心绞架空导线 Standard Type GBT ICS 29.060.10 CCS K11 Status 现行 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A