Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane
NORM herausgegeben am 1.4.2011
Designation standards: ČSN EN ISO 3744
Classification mark: 011604
Catalog number: 87887
Note: UNGÜLTIG
Publication date standards: 1.4.2011
The number of pages: 76
Approximate weight : 228 g (0.50 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN