Resin based reactive compounds used for electrical insulation - Part 3: Specifications for individual materials - Sheet 3: Unfilled polyurethane compounds (IEC 60455-3-3:2003); German version EN 60455-3-3:2003
电气绝缘用树脂基反应性化合物第3部分:单项材料规范活页3:未填充聚氨酯化合物(IEC 60455-3-3-2003);德文版EN 60455-3-3:2003