Home / Standards / GB/T 20840.3-2013 GB/T 20840.3-2013 Active Instrument transformers—Part 3: Additional requirements for inductive voltage transformers 互感器 第3部分:电磁式电压互感器的补充技术要求 Standard Type GBT ICS 29.180 CCS K41 Status 现行 Issue Date 2013-12-17 Implementation 2014-11-14 Responsible Dept 中国电器工业协会 Drafting Unit N/A