Flexible insulating sleeving - Part 3: Specification for individual types of sleeving - Sheet 409: Glass textile sleeving with polyurethane (PUR)-based coating (IEC 60684-3-409:1999); German version EN 60684-3-409:1999
绝缘软套管.第3部分:各种类型套管规范.活页409:聚氨酯(PUR)基涂层的玻璃纤维套管(IEC 60684-3-409-1999);德文版EN 60684-3-409:1999