ISO 389-1:1998 PDF
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Acoustics — Reference zero for the calibration of audiometric equipment — Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
ISO 389-1:1998
Acoustics — Reference zero for the calibration of audiometric equipment — Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
| Edition | 1998 |
|---|---|
| Standard Part No | 1 |
| Published Date | 1998 |
| Published By | International Standardization Organisation |
| Page Count | 8 |
