DIN EN ISO 9614-2:1996-12 Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 2: Measurement by scanning (ISO 9614-2:1996); German version EN ISO 9614-2:1996
1996DIN EN ISO 9614-2:1996-12 Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 2: Measurement by scanning (ISO 9614-2:1996); German version EN ISO 9614-2:1996
1996DIN EN ISO 9614-2:1996 Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 2: Measurement by scanning (ISO 9614-2:1996); German version EN ISO 9614-2:1996