Acoustics - Hearing aid fitting management (HAFM) (ISO 21388:2020)
NORM herausgegeben am 1.10.2021
Designation standards: STN EN ISO 21388
Classification mark: 011691
Catalog number: 133646
Note: UNGÜLTIG
Publication date standards: 1.10.2021
Approximate weight : 51 g (0.11 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN