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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 2435.4-2012 |
Guide for energy saving technology of power supply and Room Environment for telecommnications. Part 4: Grade of energy efficiency of Air-conditioners 通信电源和机房环境节能技术指南 第4部分：空调能效分级 |
China Telecommunication
Standards telecommnications |
 English PDF |
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