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BA525

Tegelik heliisolatsiooniindeks (liiklusmüra)

Apparent sound reduction index (traffic noise)
L2
CodeBA525DomainRI Roll · InfoParentBStandardSub-catsInbound
DEFINITION · EN

ariborne sound insulation of a building element when the sound source is traffic noise

ExamplesEN ISO 12354-3:2017
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last_edited: 16.05.2026, 11:08