Superseded
Standard
Historical
DIN ISO 389:1988-09
Acoustics; standard reference zero for the calibration of pure tone air conduction audiometers; identical with ISO 389:1985 (status as of 1986)
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Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 09/01/1988 |
| Page Count | 8 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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