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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 43080.3-2023 |
Ventilators Ventilator efficiency classes Part 3: Ventilators without maximum drive speed {译} 通风机 通风机效率等级 第3部分：不含驱动装置最高转速时的通风机 |
China National Standards Ventilators Ventilator efficiency |
 English PDF |
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