DIN EN ISO 140-3/A1:2002-07

Acoustics - Measurement of sound insulation in buildings and of building elements - Part 3: Laboratory measurements of airborne sound insulation of building elements (ISO 140-3:1995 + AM 1:2004); German version EN 20140-3:1995 + A1:2004

Acoustics - Measurement of sound insulation in buildings and of building elements - Part 3: Laboratory measurements of airborne sound insulation of building elements; Amendment A1: Specific mounting conditions for lightweight double partitions to avoid strong coupling between leaves (ISO 140-3:1995/DAM 1:2002); German version EN ISO 140-3:1995/prA1:2002