DIN EN 60819-3-4:2002 电工用非纤维素纸.第3部分:专用材料规范:第4页:含有不超过50%云母颗粒的芳族聚酰胺纤维纸 (IEC 60819-3-4:2001); 德文版本 EN 60819-3-4:2001
Non-cellulosic papers for electrical purposes - Part 3: Specifications for individual materials; Sheet 4: Aramid fibre paper containing not more than 50 % of mica particles (IEC 60819-3-4:2001); German version EN 60819-3-4:2001