Superseded
Standard
Historical
BS 2497-4:1972
Specification for a reference zero the calibration of pure-tone audiometers Normal threshold hearing pure tones by bone conduction
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Technical characteristics
| Publisher | British Standards Institution (BSI) |
| Publication Date | 07/25/1972 |
| Cancellation Date | 02/29/1988 |
| Page Count | 7 |
| Themes | Acoustic measurement |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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