
Acoustics - Measurement of sound insulation in buildings and of building elements - Part 4: Field measurements of airborne sound insulation between rooms (ISO 140-4:1998)
NORM herausgegeben am 1.7.1999
Designation standards: ÖNORM EN ISO 140-4
Note: UNGÜLTIG
Publication date standards: 1.7.1999
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM