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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 1969-2020 |
Intelligent fresh air energy-saving system for communication bureaus (stations) {译} 通信局（站）用智能新风节能系统 |
China Telecommunication Industry
Standards Intelligent Energy Saving |
 English PDF |
| YD/T 1969-2009 |
Intelligent Energy Saving System by Fresh Ari for Telecommunication Stations/Sites 通信局（站）用智能新风节能系统 |
China Telecommunication
Standards Intelligent Energy Saving |
English PDF |
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