Home / Standards / GB/T 38274-2019 GB/T 38274-2019 Active Lubrication system—Efficiency assessment method 润滑系统 能效评定方法 Standard Type GBT ICS 21.260 CCS J21 Status 现行 Issue Date 2019-12-10 Implementation 2020-07-01 Responsible Dept 国家标准委 Drafting Unit N/A