电线电缆网 > 标准共享 > IEC 61156-5:2020 Multicore and symmetrical pair/quad cables for digital communications-Part 5: Symmetrical pair/quad cables with transmission characteristics （完整版）
IEC 61156-5:2020 Multicore and symmetrical pair/quad cables for digital communications-Part 5: Symmetrical pair/quad cables with transmission characteristics - 无图版
qiaoyuanli --- 2022-03-31 14:38:17
1