NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN ISO 8253-3 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN EN ISO 266 | 1997-08 | Acoustic - Preferred frequencies (ISO 266:1997); German version EN ISO 266:1997 More |
| EN ISO 266 | 1997-05 | Acoustics - Preferred frequencies (ISO 266:1997) More |
| IEC 60645-1 | 1992-10 | Audiometers; part 1: pure-tone audiometers More |
| IEC 60645-2 | 1993-11 | Audiometers; part 2: equipment for speech audiometry More |
| ISO 266 | 1997-04 | Acoustics - Preferred frequencies More |