BA525
Tegelik heliisolatsiooniindeks (liiklusmüra)
Apparent sound reduction index (traffic noise)
L2
DEFINITION · EN
ariborne sound insulation of a building element when the sound source is traffic noise
ExamplesEN ISO 12354-3:2017
CONNECTED ↘
ÜlemkoodBAkustilised omadused
last_edited: 16.05.2026, 11:08