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Ventilation fan energy efficiency allowable value and energy efficiency grade

Ventilation fan energy efficiency allowable value and energy efficiency grade, Total:2 items.

In the international standard classification, Ventilation fan energy efficiency allowable value and energy efficiency grade involves: Ventilators. Fans. Air-conditioners, Energy and heat transfer engineering in general.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Ventilation fan energy efficiency allowable value and energy efficiency grade

• GB 19761-2009 Minimum allowable values of energy efficiency and energy efficiency grades for fan

国家市场监督管理总局、中国国家标准化管理委员会, Ventilation fan energy efficiency allowable value and energy efficiency grade

• GB 19761-2020 Minimum allowable values of energy efficiency and energy efficiency grades for fan

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