
Acoustics. Determination of sound power radiated into a duct by fans. In-duct method.
NORMA vydána dne 15.2.1994
Designation standards: BS EN 25136:1994
Note: NEPLATNÁ
Publication date standards: 15.2.1994
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: British technical standard
Kategorie: Technické normy BS