
Acoustics - Normal equal-loudness-level contours.
NORM herausgegeben am 1.9.2025
Designation standards: DIN ISO 226:2025-09
Publication date standards: 1.9.2025
The number of pages: 50
Approximate weight : 150 g (0.33 lbs)
Country: German technical standard
Kategorie: Technische Normen DIN
Akustik - Norm-Isophonen.