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)
NORM herausgegeben am 1.5.1999
Designation standards: ÖNORM EN ISO 5135
Note: UNGÜLTIG
Publication date standards: 1.5.1999
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM