美利体育登录入口官网:GB/T 13849.4-1993
聚烯烃绝缘聚烯烃护套市内通信电缆 第4部分:铜芯实心或泡沫(非填充)自承式挡潮层聚乙烯护套市内通信电缆
Local telecommunication cables with polyolefin insulation and polyolefin sheath.Part 4:Unfilled,moisture barrier polyethylene sheathed local telecommunication cables with copper conductors,solid polyolefin insulation and integral suspension strand
GBT13849.4-1993, GB13849.4-1993