AFNOR - NF ISO 4869-6
Acoustics - Hearing protectors - Part 6 : determination of sound attenuation of active noise reduction earmuffs
active, Most Current
| Organization: | AFNOR |
| Publication Date: | 24 August 2019 |
| Status: | active |
| ICS Code (Head protective equipment): | 13.340.20 |
Document History
NF ISO 4869-6
August 24, 2019
Acoustics - Hearing protectors - Part 6 : determination of sound attenuation of active noise reduction earmuffs
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