1997ISO 4548-1:1997 Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 1: Differential pressure/flow characteristics
1990ISO 4548-1:1982/Cor 1:1990 Methods of test for full-flow lubricating oil filters for internal combustion engines; part-1: pressure drop/flow characteristics; technical corrigendum 1
1982ISO 4548-1:1982 Methods of test for full-flow lubricating oil filters for internal combustion engines; Part 1 : Pressure drop/flow characteristics