2021BS EN IEC 60404-11:2021 Magnetic materials. Methods of measurement of the surface insulation resistance of electrical steel strip and sheet
2013BS EN 60404-11:2013 Magnetic materials. Method of test for the determination of surface insulation resistance of magnetic sheet and strip
BS EN IEC 60404-11:2021 Magnetic materials. Methods of measurement of the surface insulation resistance of electrical steel strip and sheet was changed to BS EN 60404-11:2013 Magnetic materials. Method of test for the determination of surface insulation resistance of magnetic sheet and strip.