1999DS/EN 60674-2:1999 Specification for plastic films for electrical purposes - Part 2: Methods of test
1990DS/IEC 674-2:1990 Specification for plastic films for electrical purposes. Part 2: Methods of test
DS/IEC 674-2:1990 Specification for plastic films for electrical purposes. Part 2: Methods of test was changed to DS/EN 60674-2:1999 Specification for plastic films for electrical purposes - Part 2: Methods of test.