"Precision Levels " CNS Standards Search Result

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	CNS 14654 - English Version Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for reverberation rooms 聲學─利用聲壓測定噪音源聲功率位準─迴響室的精密級方法 - 英文版
	CNS 14657 - English Version Acoustics - Determination of sound power levels of noise sources - Precision methods for anechoic and semi-anechoic rooms 聲學─測定噪音源聲功率位準的精密級方法─用於無響室和半無響室 - 英文版
	CNS 7549 - English Version Precision Square Levels 精密平板 - 英文版
	CNS 13304 - English Version Precision Levels 特殊用精密級電位計 - 英文版
	CNS 14657 - English Version Acoustics - Determination of sound power levels of noise sources - Precision methods for anechoic and semi-anechoic rooms 聲學－測定噪音源聲功率位準的精密級方法－用於無響室和半無響室 - 英文版
	CNS 14654 - English Version Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for reverberation rooms 聲學－利用聲壓測定噪音源聲功率位準－迴響室的精密級方法 - 英文版

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