Acoustics - Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room
NORM herausgegeben am 1.3.2021
Designation standards: ČSN EN ISO 5135
Classification mark: 011669
Catalog number: 511497
Note: UNGÜLTIG
Publication date standards: 1.3.2021
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN