Acoustics - Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in reverberation room
STANDARD published on 1.11.1999
Designation standards: ČSN EN ISO 5135
Classification mark: 011669
Catalog number: 57123
Note: WITHDRAWN
Publication date standards: 1.11.1999
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN