NF EN ISO 11691:2020
Current
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Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method
Available format(s)
Hardcopy
Language(s)
English - French
Published date
01-11-2020
Publisher
This document specifies a laboratory substitution method to determine the insertion loss without flow of ducted, mainly absorbent, circular and rectangular silencers, as well as other duct elements for use in ventilating and air-conditioning systems.
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