"silencer" CNS Standards Search Result

1. Ready translated english version CNS Standards ( SALE mark ) and Chinese version CNS Standards, you can purchase directly in the web page; After receive your payment, we will send the CNS Standards PDF file to your Email within 1~3 days.
2. Other English version CNS Standards are not ready translated, only after get your order, then we translate them, time usually need more 3-5 days .


	CNS 15256 - English Version Acoustics – Laboratory measurement procedures for ducted silencers and air-terminal units – Insertion loss, flow noise and total pressure loss 聲學－風管消音箱及空氣終端單元之實驗室量測程序－插入損失、氣流噪音及總壓力損失 - 英文版

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