
Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids.
NORMA vydána dne 1.6.2018
Designation standards: DIN EN 61669:2018-06
Publication date standards: 1.6.2018
The number of pages: 41
Approximate weight : 123 g (0.27 lbs)
Country: German technical standard
Kategorie: Technické normy DIN
Elektroakustik - Messung der Kenndaten von Hörgeräten am menschlichen Ohr.