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
KS ISO 11691:2020
Acoustics - Measurements of insertion loss of ducted silencers without flow - Laboratory survey method.
Number of Pages:8
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Kes 2,884.00