DIN EN 60674-3-3-1999 电工用塑料薄膜规范.第3部分:各种材料规范.第3活页:电绝缘用聚碳酸酯薄膜的要求
Specification for plastic films for electrical purposes - Part 3: Specifications for individual materials; Sheet 3: Requirements for polycarbonate (PC) films used for electrical insulation (IEC 60674-3-3:1992); German version EN 60674-3-3:1998