Amendment 1 - Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids
NORMA vydána dne 17.1.2025
Designation standards: IEC 61669-ed.2.0/Amd.1
Note: Změna
Publication date standards: 17.1.2025
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategorie: Technické normy IEC