Acoustics. Dermination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane
NORM herausgegeben am 1.11.1995
Designation standards: STN ISO 3744
Classification mark: 011604
Catalog number: 76722
Note: UNGÜLTIG
Publication date standards: 1.11.1995
Approximate weight : 300 g (0.66 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN