Acoustics. Measurement of sound insulation in buildings and of building elements. Laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it.
NORMA vydána dne 27.2.1987
Designation standards: BS EN 20140-9:1994
Note: NEPLATNÁ
Publication date standards: 27.2.1987
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Kategorie: Technické normy BS