NORMSERVIS s.r.o.

ČSN ETS 300381 (877550)

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

NORM herausgegeben am 1.2.1996

Nur das Vorwort ist in der tschechischen Sprache -
Gedruckt (1.20 EUR)

The information about the standard:

Designation standards: ČSN ETS 300381
Classification mark: 877550
Catalog number: 19077
Publication date standards: 1.2.1996
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN