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CNS 4658 Standard english version introduction

CNS General No. CNS 14658
Classified No. C6419
Acoustics - Determination of sound power levels of noise sources using sound pressure - Survey method using an enveloping
聲學─測定噪音源聲功率位准的評估級方法─使用在一反射平面上之包封量測表面
Date of Approval
Bureau of Standards, Metrology and Inspection Date of Revision
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CNS Standard Code CNS 14658
CNS Standard Classified No. C6419
CNS Standard English Title Acoustics - Determination of sound power levels of noise sources using sound pressure - Survey method using an enveloping
CNS Standard Chinese Title 聲學─測定噪音源聲功率位准的評估級方法─使用在一反射平面上之包封量測表面
CNS Standard Edition 2002-07
CNS Standard Pages 32
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