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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 629.2-2022 |
Methods for monitoring changes in optical fiber transmission attenuation - Part 2: Backscatter method {译} 光纤传输衰减变化的监测方法 第2部分：后向散射法 |
China Telecommunication Industry
Standards Methods monitoring changes |
 English PDF |
| YD/T 629.1-2022 |
Methods for monitoring changes in optical fiber transmission attenuation - Part 1: Transmission power method {译} 光纤传输衰减变化的监测方法 第1部分：传输功率法 |
China Telecommunication Industry
Standards Methods monitoring changes |
English PDF |
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