Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2025, including corrected version 2026-01)
NORM herausgegeben am 1.7.2026
Designation standards: STN EN ISO 3744
Classification mark: 011604
Catalog number: 142577
Publication date standards: 1.7.2026
Approximate weight : 54 g (0.12 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN