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AS ISO 140.4-2006
$119.20
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, MOD)
Adopts ISO 140-4:1998 to provide field methods for measuring the airborne sound insulation properties of interior walls, floors and doors between two rooms under diffuse sound field conditions in both rooms.