
HEARING AIDS. MEASUREMENT OF THE PERFORMANCE CHARACTERISTICS OF HEARING AIDS FOR QUALITY INSPECTION FOR DELIVERY PURPOSE
NORMA vydaná dňa 15.12.1986
Designation standards: UNE 20603-7:1986
Note: NEPLATNÁ
Publication date standards: 15.12.1986
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE