
Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics of airborne sound insulation
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
SS EN 1793-2 Ed. 1 (1997) - Identical
NS EN 1793-2 Ed. 1 (1998) - Identical
I.S. EN 1793-2:1998 - Identical
DIN EN 1793-2 (1997-11) - Identical
ONORM EN 1793-2:1998 - Identical
NBN EN 1793-2:1997 - Identical
NF EN 1793-2:1997 - Identical
UNI EN 1793-2:1999 - Identical
UNE EN 1793-2:1998 - Identical
NEN EN 1793-2:1997 - Identical