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| QB/T 4977-2016 The rating requirements of energy efficiency grades for evaporative air coolers (English Version) |
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Detail of QB/T 4977-2016
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Introduction of QB/T 4977-2016
本标准规定了蒸发式冷风扇的能效等级、能效限定值、节能评价值、试验方法和检验规则。
本标准适用于GB/T 23333-2009定义的冷风扇。
Contents of QB/T 4977-2016