Acoustics. Laboratory measurement procedures for ducted silencers and air-terminal units. Insertion loss, flow noise and total pressure loss.
NORMA vydaná dňa 23.10.2003
Designation standards: BS EN ISO 7235:2003
Note: NEPLATNÁ
Publication date standards: 23.10.2003
The number of pages: 62
Approximate weight : 186 g (0.41 lbs)
Country: British technical standard
Kategória: Technické normy BS