BS EN 14389-1:2015现行
Road Traffic Noise Reducing Devices - Procedures For Assessing Long Term Performance - Part 1: Acoustical Characteristics
出版：British Standards Institution
专家解读视频
Defines requirements for assessing the working life and provides the relevant exposure conditions.
Supersedes 04/19991719 DC. (01/2008) Supersedes 13/30277104 DC. (05/2015)
UNI EN 14389-1:2015 - Identical
NEN EN 14389-1:2015 - Identical
ONORM EN 14389-1:2015 - Identical
SS EN 14389-1 Ed. 2 (2015) - Identical
NBN EN 14389-1:2015 - Identical
