GB/T 13849.3-93
Polyolefin Insulated Polyolefin Sheathed Local Telecommunication Cables—Part 3: Copper Conductor, Solid or Cellular Polyolefin Insulated, Filled, Moisture Barrier Polyethylene Sheathed Local Telecommunication Cables
聚烯烃绝缘聚烯烃护套市内通信电缆 第三部分 铜芯、实心或泡沫聚烯烃绝缘、填充式、档潮层聚乙烯护套市内通信电缆