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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 19933.4-2014 |
Earth-Earth-moving machinery―Operator enclosure environment―Part 4: Heating, ventilation and air conditioning (HVAC) test method and performance 土方机械 司机室环境 第4部分：采暖、换气和空调（HVAC）的试验方法和性能 |
China National Standards HVAC |
 English PDF |
| GB/T 29909-2013 |
Terminology of cleaning equipment for HVAC systems 暖通空调系统清洁设备术语 |
China National Standards HVAC |
English PDF |
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