Acoustics — Measurement of insertion loss of ducted silencers without flow — Laboratory survey method
NORMA vydána dne 1.7.2020
Designation standards: ISO 11691:2020-ed.2.0
Publication date standards: 1.7.2020
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: International technical standard
Kategorie: Technické normy ISO