Home / Standards / GB/T 37009-2018 GB/T 37009-2018 Active Variable-frequency drive for metallurgical industry 冶金用变频调速设备 Standard Type GBT ICS 29.240.99 CCS K46 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