Acoustics.Determination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994)
STANDARD published on 1.12.2009
Designation standards: STN EN ISO 3744
Classification mark: 011604
Catalog number: 109330
Note: WITHDRAWN
Publication date standards: 1.12.2009
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: Slovak technical standard
Category: Technical standards STN