电线电缆网 > 标准共享 > IEC 61156-7:2023 - Multicore and symmetrical paiquad cables for digital communicatio（完整版）
IEC 61156-7:2023 - Multicore and symmetrical paiquad cables for digital communicatio - 无图版
drone0334 --- 2023-12-01 23:09:42
1
IEC 61156-7:2023
Multicore and symmetrical pair/quad cables for digital communications – Part 7: Symmetrical pair cables with transmission characteristics up to 1 200 MHz – Sectional specification for digital and analogue communication cables
panxingkui --- 2023-12-02 09:13:26
2
物以稀为贵