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TELEPHONY FOR HEARING IMPAIRED PEOPLE. INDUCTIVE COUPLING OF TELEPHONE EARPHONES TO HEARING AIDS.
STANDARD published on 28.6.1999
Designation standards: UNE-ETS 300381:1999
Publication date standards: 28.6.1999
SKU: NS-567437
The number of pages: 23
Approximate weight : 69 g (0.15 lbs)
Country: Spanish technical standard
Category: Technical standards UNE
Data communication networksAids for deaf and hearing impaired peopleTelecommunications in general
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