GB/T 8243.12-2021
内燃机全流式机油滤清器试验方法 第12部分:颗粒计数法滤清效率和容灰量
Methods of test for full-flow lubricating oil filters for internal combustion engines—Part 12: Filtration efficiency using particle counting and contaminant retention capacity
GBT8243.12-2021, GB8243.12-2021