Home / Standards / GB/T 4473-2018 GB/T 4473-2018 Active Synthetic testing of high—voltage alternating current circuit—breakers 高压交流断路器的合成试验 Standard Type GBT ICS 29.120.40 CCS K43 Status 现行 Issue Date 2018-12-28 Implementation 2019-07-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A