EN ISO 11546-2:1995 Acoustics - Determination of Sound Insulation Performances of Enclosures - Part 2: Measurements in Situ (for Acceptance and Verification Purposes) (ISO 11546-2: 1995)
2009EN ISO 11546-2:2009 Acoustics - Determination of sound insulation performances of enclosures - Part 2: Measurements in situ (for acceptance and verification purposes)
1995EN ISO 11546-2:1995 Acoustics - Determination of Sound Insulation Performances of Enclosures - Part 2: Measurements in Situ (for Acceptance and Verification Purposes) (ISO 11546-2: 1995)