NEN NPR CEN/TS 1793-4:2004被替代
Road Traffic Noise Reducing Devices - Test Method For Determining The Acoustic Performance - Part 4: Intrinsic Characteristics - In Situ Values Of Sound Diffraction
出版：Nederlands Normalisatie Instituut
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基本信息
标准编号： NEN NPR CEN/TS 1793-4:2004
发布时间：2004/1/1 0:00:00
标准类别：Standard
出版单位：Nederlands Normalisatie Instituut
标准页数：29
标准简介
Explains a test method for determining the intrinsic characteristics of sound diffraction of added devices installed on the top of traffic noise reducing devices.
替代本标准的新标准
等同采用的国际标准
CEN/TS 1793-4:2003 - Identical
