
Railway Applications - Track - Noise Barriers And Related Devices Acting On Airborne Sound Propagation - Test Method For Determining The Acoustic Performance - Part 4: Intrinsic Characteristics - In Situ Values Of Sound Diffraction Under Direct Sound Field
出版:Association Francaise de Normalisation

专家解读视频
基本信息
标准编号: NF EN 16272-4:2017
标准类别:Standard
出版单位:Association Francaise de Normalisation
标准页数:0
标准简介
2017 [01/06/2017]2014 PR [01/07/2014]
标准备注
Indice de classement: F90-272-4. PR NF EN 16272-4 July 2014. (08/2014)
本标准替代的旧标准
等同采用的国际标准
EN 16272-4:2016 - Identical