| 000 | 00723nam a22001337a 4500 | ||
|---|---|---|---|
| 999 |
_c16219 _d16219 |
||
| 245 |
_aIEC 60118-7:2005-Electroacoustics - Hearing aids - Part 7 : _bMeasurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes |
||
| 250 | _a2.0 | ||
| 260 |
_aGeneva : _bInternational Electrotechnical Commission, _c2005. |
||
| 300 | _a45 p. | ||
| 505 | _aGives recommendations for the measurement of the performance characteristics of air-conduction hearing aids of a particular model for production, supply and delivery quality assurance purposes. The manufacturer will normally assign nominal values. | ||
| 650 | _aElectroacoustics | ||
| 650 | _aHearing aids | ||
| 942 | _cST | ||