Acoustics - Measurement of sound insulation in buildings and of building elements - Part 9: Laboratory measurement of room-to-room airborne sound insulation of a .... (abbreviated)
NORM herausgegeben am 1.12.1993
Designation standards: ÖNORM EN 20140-9
Note: UNGÜLTIG
Publication date standards: 1.12.1993
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM