
Sound power levels of noise sources. Survey method for determination of sound power levels of noise sources using a reference sound source.
NORM herausgegeben am 30.12.1988
Designation standards: BS 4196-7:1988
Note: UNGÜLTIG
Publication date standards: 30.12.1988
The number of pages: 26
Approximate weight : 78 g (0.17 lbs)
Country: British technical standard
Kategorie: Technische Normen BS