YD/T 1258.3-2003.The series of indoor optical fibre cables part 3: dual-fibre optical cable. 1范围 YD/...
YD通讯标准
YD通讯标准
YD通讯标准
YD/T 1258.3-2009 室内光缆系列 第3部分:房屋布线用单芯和双芯光缆
YD/T 1258.3-2009.The series of indoor optical fibre cables Part 3: simplex and duplex cable for use ...