China Acoustics--Declarati GB Standards Search Result

and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within 1~3 days.
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 .


	GB/T 18699.1-2002 Acoustics--Determination of sound insulation performances of enclosures--Part 1:Measurements under laboratory conditions (for declaration purposes) 声学隔声罩的隔声性能测定第1部分:实验室条件下测量(标示用) - 英文版
	GB/T 14574-2000 Acoustics--Declaration and verification of noise emission values of machinery and equipment 声学机器和设备噪声发射值的标示和验证 - 英文版

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