Specifies a laboratory method for measuring the airborne sound insulation of a suspended ceiling with a plenum of defined height mounted above an acoustical barrier which separates two rooms of a specified test facility
KS ISO 140-9:1985
Acoustics - Measurements of sound insulation in buildings and of building elements - Part 9: Laboratory measurements of room-to-room airborne sound insulation of a suspended ceiling with a plenum abov
Number of Pages:6
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Kes 2,472.00