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Industrial fans Determination of fan sound power level under standard laboratory conditions Part 3 Envelope surface method

Industrial fans Determination of fan sound power level under standard laboratory conditions Part 3 Envelope surface method

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Industrial fans Determination of fan sound power level under standard laboratory conditions Part 3 Envelope surface method


TC187

GB/T 34877.3-2017

Industrial fans Determination of fan sound power level under standard laboratory conditions Part 3 Envelope surface method

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