ÖNORM ETS 300381

Telephony for hearing impaired people - Inductive coupling of telephone earphones to hearing aids

NORM herausgegeben am 1.3.1995

The information about the standard:

Designation standards: ÖNORM ETS 300381
Note: UNGÜLTIG
Publication date standards: 1.3.1995
The number of pages: 21
Approximate weight : 63 g (0.14 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM