ISO 4869:1981
Acoustics — Measurement of sound attenuation of hearing protectors — Subjective method
Acoustics — Measurement of sound attenuation of hearing protectors — Subjective method
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Acoustics — Measurement of sound attenuation of hearing protectors — Subjective method
ISO 4869:1981
Acoustics — Measurement of sound attenuation of hearing protectors — Subjective method
| Edition | 1981 |
|---|---|
| Published Date | 1981 |
| Published By | International Standardization Organisation |
| Page Count | 4 |