ČSN ETS 300679-ed.1 (877565)

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

NORM herausgegeben am 1.8.1997

Nur das Vorwort ist in der tschechischen Sprache -
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The information about the standard:

Designation standards: ČSN ETS 300679-ed.1
Classification mark: 877565
Catalog number: 22335
Publication date standards: 1.8.1997
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN