Acoustics.Determination of sound power levels and sound energy levels of noise sources using sound pressure.Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2010)
STANDARD published on 1.5.2011
Designation standards: STN EN ISO 3744
Classification mark: 011604
Catalog number: 112957
Note: WITHDRAWN
Publication date standards: 1.5.2011
Approximate weight : 57 g (0.13 lbs)
Country: Slovak technical standard
Category: Technical standards STN