Home / Standards / GB/T 20840.6-2017 GB/T 20840.6-2017 Active Instrument transformers—Part 6:Additional general requirements for low-power instrument transformers 互感器 第6部分:低功率互感器的补充通用技术要求 Standard Type GBT ICS 29.180 CCS K41 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