Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994)
NORM herausgegeben am 1.12.2009
Designation standards: ÖNORM EN ISO 3744
Note: UNGÜLTIG
Publication date standards: 1.12.2009
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM