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ISO 389-2:1994 (R2014)
Acoustics — Reference zero for the calibration of audiometric equipment — Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphonesMore info
| Author | ISO/TC 43 Acoustics |
|---|---|
| Editor | ISO |
| Document type | Standard |
| Format | Paper |
| Confirmation date | 2014-12-15 |
| Edition | 1 |
| ICS | 13.140 : Noise with respect to human beings |
| Number of pages | 7 |
| Weight(kg.) | 0.6100 |
| Year | 1990 |
| Country | Switzerland |