Projekta Nr.EN ISO 11691:2009
NosaukumsSpecifies a laboratory substitution method to determine the insertion loss of ducted circular and rectangular silencers without flow, as well as other duct elements for use in ventilating and air-conditioning systems.
Reģistrācijas numurs (WIID)32585
Darbības sfēraSpecifies a laboratory substitution method to determine the insertion loss of ducted circular and rectangular silencers without flow, as well as other duct elements for use in ventilating and air-conditioning systems.
StatussAtcelts
ICS grupa91.120.20