ČSN ETS 300381 (877550)

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

STANDARD published on 1.2.1996

Czech preface only -
Print design (1.30 USD)

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
Category: Technical standards ČSN