Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids (Endorsed by Asociación Espanola de Normalización in April of 2025.)
NORMA vydána dne 1.4.2025
Designation standards: UNE-EN 61669:2016/A1:2025
Note: Změna
Publication date standards: 1.4.2025
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE