GB/T 18015.1-2017数字通信用对绞或星绞多芯对称电缆第1部分:总规范国家标准
英文:Multicore and symmetrical pair/quad cables for digital communications—Part 1: Generic specification GB/T 18015.1-2017...
英文:Multicore and symmetrical pair/quad cables for digital communications—Part 1: Generic specification GB/T 18015.1-2017...