Acoustics. Laboratory measurement procedures for ducted silencers and air-terminal units. Insertion loss, flow noise and total pressure loss (ISO 7235:2003)
NORM herausgegeben am 1.12.2004
Designation standards: STN EN ISO 7235
Classification mark: 011671
Catalog number: 96216
Note: UNGÜLTIG
Publication date standards: 1.12.2004
Approximate weight : 51 g (0.11 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN