Amendment 1 - Plastic films for electrical purposes - Part 3: Specifications for individual materials - Sheet 8: Balanced biaxially oriented polyethylene naphthalate (PEN) films used for electrical insulation
修改件1.电气用塑料薄膜.第3部分:单项材料规范.活页8:电气绝缘用平衡双轴取向聚乙烯萘酸酯(PEN)薄膜