Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss, flow noise and total pressure loss
NORMA vydána dne 28.8.2003
Designation standards: ISO 7235:2003-ed.2.0
Publication date standards: 28.8.2003
The number of pages: 49
Approximate weight : 147 g (0.32 lbs)
Country: International technical standard
Kategorie: Technické normy ISO