Acoustics - Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation room (ISO 5135:1997)
NORMA vydána dne 29.11.1999
Designation standards: UNE-EN ISO 5135:1999
Note: NEPLATNÁ
Publication date standards: 29.11.1999
The number of pages: 21
Approximate weight : 63 g (0.14 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE