14/30297521 DC被替代
Bs En 16272-4 - 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 Conditions
出版：British Standards Institution
专家解读视频
基本信息
标准编号： 14/30297521 DC
发布时间：2014/5/27 0:00:00
标准类别：Draft
出版单位：British Standards Institution
标准页数：32
标准简介
DRAFT MAY 2014 [27/05/2014]
替代本标准的新标准
等同采用的国际标准
PREN 16272-4:2014 - Identical
