DIN EN 60684-3-247-2012 绝缘软管.第3部分:各种型号软管的规范.活页247:双重中厚壁不阻燃聚烯烃热收缩软管(IEC 60684-3-247-2011).德文版本 EN 60684-3-247-2011
Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 247: Heat-shrinkable polyolefin sleeving, dual wall, not flame retarded, thick and medium wall (IEC 60684-3-247:2011); German version EN 60684-3-247:2011