BS EN ISO 11546-2:2010 Acoustics. Determination of sound insulation performances of enclosures. Measurements in situ (for acceptance and verification purposes)
2010BS EN ISO 11546-2:2010 Acoustics. Determination of sound insulation performances of enclosures. Measurements in situ (for acceptance and verification purposes)
2010BS EN ISO 11546-2:2009 Acoustics - Determination of sound insulation performances of enclosures - Measurements in situ (for acceptance and verification purposes)