NS EN ISO 11691 : 2009
Current
Current
The latest, up-to-date edition.
ACOUSTICS - DETERMINATION OF INSERTION LOSS OF DUCTED SILENCERS WITHOUT FLOW - LABORATORY SURVEY METHOD
Published date
01-12-2013
Defines a laboratory substitution method for determination of insertion loss without flow of ducted, mostly absorbent, circular and rectangular silencers in addition to other duct elements to be used in ventilation and air-conditioning systems.
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