KS R ISO 4548-12-2007(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
2022KS R ISO 4548-12:2022 Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 12: Filtration efficiency using particle counting, and contaminant retention capacity
0000 KS R ISO 4548-12-2007(2017)
2007KS R ISO 4548-12:2007 Methods of test for full-flow lubricating oil filters for internal combustion engines-Part 12:Filtration efficiency using particle counting, and contaminant retention capacity