Electroacoustics - Hearing aids - Part 4: Induction loop systems for hearing aid purposes - System performance requirements.
NORMA vydaná dňa 1.7.2013
Designation standards: E DIN EN 60118-4:2013-07
Note: NEPLATNÁ
Publication date standards: 1.7.2013
The number of pages: 103
Approximate weight : 340 g (0.75 lbs)
Country: German technical standard
Kategória: Technické normy DIN
Akustik - Hörgeräte - Teil 4: Induktionsschleifen für Hörgeräte - Magnetische Feldstärke.