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GB/T 34877.4-2024 Industrial fans-Determination of sound power level of fans under standard laboratory conditions-Part 4: Sound intensity method 工业风机-标准实验室条件下风机声功率级的测定-第4部分：声强法 - 中英文版 |
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GB/T 34877.2-2023 Industrial fans - Determination of fan sound power levels under standard laboratory conditions - Part 2: Reverberation chamber method 工业风机 标准实验室条件下风机声功率级的测定 第2部分：混响室法 - 中英文版 |
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GB/T 34877.1-2023 Industrial fans - Determination of fan sound power levels under standard laboratory conditions - Part 1: General requirements 工业风机 标准实验室条件下风机声功率级的测定 第1部分：通用要求 - 中英文版 |
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GB/T 34877.3-2017 Industrial fans—Determination of fan sound power levels under standardized laboratory conditions—Part3:Enveloping surface methods 工业风机 标准实验室条件下风机声功率级的测定 第3部分：包络面法 - 中英文版 |
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GB/T 19075-2003 Industrial fans--Vocabulary and definitionsof categories 工业通风机 词汇及种类定义 - 中英文版 |
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