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DIN ETS 300381:1995-09
Telephony for hearing impaired people - Inductive coupling of telephone earphones to hearing aids; English version ETS 300381:1994
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Summary
The document deals with telephones, which are intended for direct application to the ear and which provide, at the earphone, a magnetic field for coupling to hearing aids.
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 09/01/1995 |
| Page Count | 22 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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