ETSI ETS 300381-ed.1

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

NORMA vydaná dňa 6.12.1994

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The information about the standard:

Designation standards: ETSI ETS 300381-ed.1
Publication date standards: 6.12.1994
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: European technical standard
Kategória: Technické normy ETSI