IEC reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts
NORM herausgegeben am 1.5.1996
Designation standards: ČSN IEC 126
Classification mark: 368861
Catalog number: 19543
Note: UNGÜLTIG
Publication date standards: 1.5.1996
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN