Acoustics - Determination of sound insulation performance of cabins - Laboratory and in situ measurements
NORM herausgegeben am 1.6.1998
Designation standards: ČSN EN ISO 11957
Classification mark: 011615
Catalog number: 52517
Note: UNGÜLTIG
Publication date standards: 1.6.1998
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN