
Road Traffic Noise Reducing Devices - Test Method For Determining The Acoustic Performance - Part 4: Intrinsic Characteristics - In Situ Values Of Sound Diffraction
出版:British Standards Institution

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基本信息
標準編號: BS EN 1793-4:2015
發布時間:2015/3/31 0:00:00
標準類別:Standard
出版單位:British Standards Institution
標準頁數:38
標準簡介
Defines a test method for determining the intrinsic characteristics of sound diffraction of added devices installed on the top of traffic noise reducing devices.
標準備注
Supersedes 14/30298593 DC. (03/2015)
本標準替代的舊標準