DIN EN ISO 9614-3:2009-11 Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurement by scanning (ISO 9614-3:2002); German version EN ISO 9614-3:2009
2009DIN EN ISO 9614-3:2009-11 Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurement by scanning (ISO 9614-3:2002); German version EN ISO 9614-3:2009
2009DIN EN ISO 9614-3:2009 Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurement by scanning (ISO 9614-3:2002); German version EN ISO 9614-3:2009