Shfuqizuar
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.
WITHDRAWN
ISO 11691:1995
95.99
Withdrawal of Standard
1 korr 2020
PUBLISHED
ISO 11691:2020
Akustika - Matja e humbjes nga futja e silenciatorëve të kalimit në tub pa rrjedhje - Metoda laboratorike e vlerësimit
60.60 Standard published