
Sound power levels of noise sources. Survey method for determination of sound power levels of noise sources.
NORMA vydaná dňa 31.7.1981
Designation standards: BS 4196-6:1981
Note: NEPLATNÁ
Publication date standards: 31.7.1981
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: British technical standard
Kategória: Technické normy BS