Superseded
Standard
Historical
DIN IEC 60118-4:1991-11
Hearing aids; magnetic field streng in audio-frequency induction loops for hearing aid puroses (IEC 118-4:1981); german version HD 450.4 S1:1985
Preview
Summary
Hörgeräte; Magnetische Feldstärke in Sprechfrequenz-Induktionsschleifen für Hörgeräte; Deutsche Fassung HD 450.4 S1:1985
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 11/01/1991 |
| Page Count | 8 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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