
Road Traffic Noise Reducing Devices - Test Method For Determining The Acoustic Performance - Part 2: Intrinsic Characteristics Of Airborne Sound Insulation
出版:Norwegian Standards (Norges Standardiseringsforbund)

专家解读视频
Defines the laboratory method for measurement of the airborne sound insulation performance of roadside noise barriers. Describes assessment of the intrinsic performance of barriers for reasonable assembly inside the testing facility covered in EN ISO 140-3.
UNE EN 1793-2:1998 - Identical
SS EN 1793-2 Ed. 1 (1997) - Identical
I.S. EN 1793-2:1998 - Identical
UNI EN 1793-2:1999 - Identical
NF EN 1793-2:1997 - Identical
NBN EN 1793-2:1997 - Identical
ONORM EN 1793-2:1998 - Identical
DIN EN 1793-2 (1997-11) - Identical
BS EN 1793-2:1998 - Identical
NEN EN 1793-2:1997 - Identical
EN 1793-2:2012 - Identical
UNI EN 1793-2:2013 - Identical
SS EN 1793-2 Ed. 2 (2012) - Identical
NEN EN 1793-2:2012 - Identical
NF EN 1793-2:2013 - Identical
ONORM EN 1793-2:2013 - Identical