Home / Standards / GB/T 6538-2022 GB/T 6538-2022 Active Determination of apparent viscosity of engine oils—Using the cold-cranking simulator 发动机油表观黏度的测定 冷启动模拟机法 Standard Type GBT ICS 75.100 CCS E34 Status 现行 Issue Date 2022-10-12 Implementation 2022-10-12 Responsible Dept 国家标准委 Drafting Unit N/A