YD/T 1319-2004.Telecommunication cable Foamed polyethylene dielectric,braided outer conductor , 50 o...
YD通讯标准
YD通讯标准
YD通讯标准
YD/T 1319-2013 通信电缆无线通信用 50Ω 泡沫聚烯烃绝缘编织外导体射频同轴电缆
YD/T 1319-2013.Telecommunication cable 502 radio frequency coaxial cable for wireless telecommucatio...