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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 16732-2023 |
Units of measurement and symbols for building heating, ventilation, air conditioning and purification equipment {译} 建筑供暖通风空调净化设备 计量单位及符号 |
China National Standards Units symbols heating |
 English PDF |
| GB/T 34187-2017 |
Units and symbols for urban heating 城镇供热用单位和符号 |
China National Standards Units symbols heating |
English PDF |
| GB/T 16732-1997 |
Units and symbols of heating ventilation air conditioning and air cleaning equipment in building 建筑采暖通风空调净化设备 计量单位及符号 |
China National Standards Units symbols heating |
English PDF |
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