
Road traffic noise reducing devices - Procedures for assessing long term performance Part 2: Non-acoustical characteristics
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
UNE EN 14389-2:2015 - Identical
NF EN 14389-2:2015 - Identical
UNI EN 14389-2:2015 - Identical
ONORM EN 14389-2:2015 - Identical