Home / Standards / GB/T 37405-2019 GB/T 37405-2019 Active High voltage soft-start device by thyristor phase control 高压晶闸管相控调压软起动装置 Standard Type GBT ICS 29.200 CCS K46 Status 现行 Issue Date 2019-05-10 Implementation 2019-12-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A