热泵和冷水机组能效限定值及能效等级  (GB 19577-2024)

Minimum allowable values of the energy efficiency and energy efficiency grades for heat pumps and water chillers

代替GB 19577-2015,GB 29540-2013,GB 30721-2014,GB 37480-2019

发布时间： 2024-04-29

实施时间： 2025-02-01

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