Home / Standards / GB/T 30550-2014 GB/T 30550-2014 Active Concentric lay stranded overhead electrical conductors containing one or more gap(s) 含有一个或多个间隙的同心绞架空导线 Standard Type GBT ICS 29.060.10 CCS K11 Status 现行 Issue Date 2014-05-06 Implementation 2014-10-28 Responsible Dept 中国电器工业协会 Drafting Unit N/A