
HEARING AIDS. METHODS OF MEASUREMENT OF PERFORMANCE CHARACTERISTIC OF HEARING AIDS UNDER SIMULATED IN SITU WORKING CONDITIONS
NORMA vydaná dňa 15.12.1986
Designation standards: UNE 20603-8:1986
Note: NEPLATNÁ
Publication date standards: 15.12.1986
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE