I.S. EN 14389-2:2015现行
Road Traffic Noise Reducing Devices - Procedures for Assessing Long Term Performance Part 2: Non-acoustical Characteristics
出版：National Standards Authority of Ireland
专家解读视频
Defines requirements for assessing the working life and provides the relevant exposure conditions.
UNE EN 14389-2:2015 - Identical
NF EN 14389-2:2015 - Identical
UNI EN 14389-2:2015 - Identical
SS EN 14389-2 Ed. 2 (2015) - Identical
NEN EN 14389-2:2015 - Identical
ONORM EN 14389-2:2015 - Identical
NBN EN 14389-2:2015 - Identical
