KS I ISO 9614-3-2007(2017) Acoustics-Determination of sound power levels of noise sources using sound intensity-Part 3:Precision method for measurement by scanning
2023KS I ISO 9614-3-2023 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 3: Precision method for measurement by scanning
0000 KS I ISO 9614-3-2007(2017)
2007KS I ISO 9614-3:2007 Acoustics-Determination of sound power levels of noise sources using sound intensity-Part 3:Precision method for measurement by scanning