CEN/TC 211
Project No. | LVS EN ISO 11691:2021 |
---|---|
Title | Specifies 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. |
Registration number (WIID) | 61466 |
Scope | Specifies 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. |
Status | Standarts spēkā |
ICS group | 91.120.20 |