BSI - BS ISO 4869-6
Acoustics — Hearing protectors Part 6: Determination of sound attenuation of active noise reduction earmuffs
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| Organization: | BSI |
| Publication Date: | 28 February 2019 |
| Status: | active |
| Page Count: | 20 |
| ICS Code (Head protective equipment): | 13.340.20 |
Document History
BS ISO 4869-6
February 28, 2019
Acoustics — Hearing protectors Part 6: Determination of sound attenuation of active noise reduction earmuffs
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