NS EN 14389-2 Ed. 1 (2004)现行
Road Traffic Noise Reducing Devices - Procedures For Assessing Long Term Performance - Part 2: Non-acoustical Characteristics
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Describes assumed working life requirements and is also intended to assist suppliers in its prediction.
ONORM EN 14389-2:2004 - Identical
UNE EN 14389-2:2006 - Identical
UNI EN 14389-2:2005 - Identical
NEN EN 14389-2:2004 - Identical
SS EN 14389-2 Ed. 1 (2004) - Identical
NBN EN 14389-2:2004 - Identical
NF EN 14389-2:2005 - Identical
DIN EN 14389-2 (2004-11) - Identical
BS EN 14389-2:2004 - Identical
SN EN 14389-2:2005 - Identical
I.S. EN 14389-2:2004 - Identical
NBN EN 14389-2:2015 - Identical
ONORM EN 14389-2:2015 - Identical
NEN EN 14389-2:2015 - Identical
SS EN 14389-2 Ed. 2 (2015) - Identical
UNI EN 14389-2:2015 - Identical
NF EN 14389-2:2015 - Identical
UNE EN 14389-2:2015 - Identical
