BS EN ISO 140-3:1995(2005)*BS 2750-3:1995 Acoustics — Measurement of sound insulation in buildings and of building elements — Part 3 : Laboratory measurement of airborne sound insulation of building elements
1970BS EN ISO 140-3:1995(2005)*BS 2750-3:1995 Acoustics — Measurement of sound insulation in buildings and of building elements — Part 3 : Laboratory measurement of airborne sound insulation of building elements