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Chinese National Standard Category: Information transmission index |
English Title: | The Xin-4 Transposition System for Open-wire Telecommunication Line |
Chinese Title: | 电信明线新4式交叉制式 |
Standard No.: | YD/T 557-1992 |
Category No.: | M16 |
Issued by: | CMII |
Issued on: | 1900-1-1 |
Implemented on: | 1900-1-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | GB 5435-1985 The: xin-4: transposition systems for open-wire telecommunication lines |
Word Count: | 2500 words |
Similar Standards: | GB 5435-1985 DB32/T 4474-2023 T/SZAS 79-2024 GB/T 42937-2023 YZ/T 0186-2022 YZ/T 0187-2022 GB/Z 41292-2022 GB/T 40043-2021 GB/T 40044-2021 GB/T 39083-2020 GB/T 38726-2020 YZ/T 0170-2019 YZ/T 0169-2019 YZ/T 0158-2017 YZ/T 0153-2016 YZ/T 0146-2015 YD/T 1744-2009 YD/T 1745-2009 GB/T 18119-2000 YD/T 1033-2000 |
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