ISO 4548-2:1982/Cor 1:1990 Methods of test for full-flow lubricating oil filters for internal combustion engines; part 2: element by-pass component characteristics; technical corrigendum 1
1997ISO 4548-2:1997 Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 2: Element by-pass valve characteristics
1990ISO 4548-2:1982/Cor 1:1990 Methods of test for full-flow lubricating oil filters for internal combustion engines; part 2: element by-pass component characteristics; technical corrigendum 1
1982ISO 4548-2:1982 Methods of test for full-flow lubricating oil filters for internal combustion engines; Part 2 : Element by-pass component characteristics