
Hearing aids -- Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes.
NORMA vydaná dňa 13.2.2001
Designation standards: UNE-EN 60118-4:2001
Note: NEPLATNÁ
Publication date standards: 13.2.2001
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE