IEC 60404-12:2023 Magnetic materials - Part 12: Methods of test for the assessment of the thermal endurance of surface insulation coatings on electrical steel strip and sheet
2023IEC 60404-12:2023 Magnetic materials - Part 12: Methods of test for the assessment of the thermal endurance of surface insulation coatings on electrical steel strip and sheet
1992IEC 60404-12:1992 Magnetic materials; part 12: guide to methods of assessment of temperature capability of interlaminar insulation coatings