Standard
[CURRENT]
UNE-ETS 300381:1999-06-28
TELEPHONY FOR HEARING IMPAIRED PEOPLE. INDUCTIVE COUPLING OF TELEPHONE EARPHONES TO HEARING AIDS.
- Publication date
-
1999-06-28
- Original language
-
Spanish
- Pages
- 24
- Publication date
-
1999-06-28
- Original language
-
Spanish
- Pages
- 24
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