IEC 61156-7:2023 - Multicore and symmetrical paiquad cables for digital communicatio - 简版
drone0334
楼主
2023-12-01 23:09:42
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
1 楼
2023-12-02 09:13:26
物以稀为贵