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ÖNORM ETS 300679

Terminal Equipment (TE) - Telephony for the hearing impaired - Electrical coupling of telephone sets to hearing aids

NORM herausgegeben am 1.1.1997

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The information about the standard:

Designation standards: ÖNORM ETS 300679
Note: UNGÜLTIG
Publication date standards: 1.1.1997
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM