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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 1968-2021 |
Intelligent heat exchange system for communication bureau station {译} 通信局站用智能热交换系统 |
China Telecommunication Industry
Standards Intelligent heat exchange |
 English PDF |
| YD/T 1968-2009 |
Intelligent heat exchanger for Telecommunication Stations/Sites 通信局（站）用智能热交换系统 |
China Telecommunication
Standards Intelligent heat exchange |
English PDF |
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