NF E37-401*NF ISO 4548-1:1988 Methods of test for full-flow lubricating oil filters for internal combustion engines. Part 1 : pressure drop/flow characteristics.
1988NF E37-401*NF ISO 4548-1:1988 Methods of test for full-flow lubricating oil filters for internal combustion engines. Part 1 : pressure drop/flow characteristics.