KS I ISO 11546-2:2014 Acoustics — Determination of sound insulation performances of enclosures — Part 2: Measurements in situ(for acceptance and verification purposes)
2020KS I ISO 11546-2:2020 Acoustics — Determination of sound insulation performances of enclosures — Part 2: Measurements in situ (for acceptance and verification purposes)
2014KS I ISO 11546-2:2014 Acoustics — Determination of sound insulation performances of enclosures — Part 2: Measurements in situ(for acceptance and verification purposes)
2004KS I ISO 11546-2:2004 Determination of sound insulation performances of enclosures-Part 2:Measurements in situ(for acceptance and verification purposes)