Normal equal-loudness contours
NORM herausgegeben am 1.1.1974
Designation standards: ÖNORM S5003-2
Note: UNGÜLTIG
Publication date standards: 1.1.1974
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM