金属薄板成形性能与试验方法 第6部分：锥杯试验
Sheet metal formability and test methods - Part 6: Conical cup test
2008-12-23
EN 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
磁性材料.第12部分:电工钢带和薄钢板表面绝缘涂层耐热性评定的试验方法