聚烯烃绝缘聚烯烃护套市内通信电缆 第5部分:铜芯、实心或泡沫（带皮泡沫）聚烯烃绝缘、隔离式（内屏蔽）、挡潮层聚乙烯护套市内通信电缆

Local telecommunication cables with polyolefin insulation and polyolefin sheath--Part 5:Moisture barrier polyethylene sheathed and seperated(inner-screened)local telecommunication cables with copper conductors and solid or cellular polyolefin insulation