Acoustics - Rating of sound insulation in buildings and of building elements - Part 1: Airborne sound insulation
NORM herausgegeben am 1.6.2021
Designation standards: ČSN EN ISO 717-1
Classification mark: 730531
Catalog number: 512095
Note: UNGÜLTIG
Publication date standards: 1.6.2021
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN