Home / Standards / GB/T 38922-2020 GB/T 38922-2020 Active General specification for 35kV and below voltage standardized protection equipment 35kV及以下标准化继电保护装置通用技术要求 Standard Type GBT ICS 29.240.01 CCS K45 Status 现行 Issue Date 2020-06-02 Implementation 2021-01-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A