ÜBN4.0openBIM atlas

BS450

Helisummutus oct ribade kaupa

Sound attenuation

L2

CodeBS450DomainRI Roll · InfoParentBStandard—Sub-cats—Inbound—

DEFINITION · EN

acoustic property indicating the sound attenuation in silencers

ExamplesEVS-EN ISO 7235

CONNECTED ↘

ÜlemkoodBAkustilised omadused

last_edited: 16.05.2026, 11:08