NF E37-400-12*NF ISO 4548-12:2017 Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 12 : filtration efficiency using particle counting and contaminant retention capacity
2017NF E37-400-12*NF ISO 4548-12:2017 Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 12 : filtration efficiency using particle counting and contaminant retention capacity