GB/T 8243.12-2007
内燃机全流式机油滤清器试验方法 第12部分:采用颗粒计数法测定滤清效率和容灰量
Methods of test for full-flow lubricating oil filters for internal combustion engines.Part 12: Filtration efficiency using particle counting, and contaminant retention capacity
GBT8243.12-2007, GB8243.12-2007