Electroacoustics - Measurement of real-ear acoustical performance charatericstics of hearing aids.
NORMA vydána dne 1.8.2013
Designation standards: E DIN EN 61669:2013-08
Note: NEPLATNÁ
Publication date standards: 1.8.2013
The number of pages: 61
Approximate weight : 183 g (0.40 lbs)
Country: German technical standard
Kategorie: Technické normy DIN
Elektroakustik - Messung der Kenndaten von Hörgeräten am menschlichen Ohr.