Home / Standards / GB/T 37763-2019 GB/T 37763-2019 Active Technical specification for CT powered protection device CT自供电保护装置技术规范 Standard Type GBT ICS 29.240.01 CCS K45 Status 现行 Issue Date 2019-06-04 Implementation 2020-01-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A