Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids (Endorsed by AENOR in March of 2016.)
NORM herausgegeben am 1.3.2016
Designation standards: UNE-EN 61669:2016
Publication date standards: 1.3.2016
The number of pages: 42
Approximate weight : 126 g (0.28 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE