China Industrial fans-Dete GB Standards Search Result |
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1. Ready translated GB standards ![]() 2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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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 - 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 - 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 - 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 - 英文版 |
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