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UNE-EN ISO 4869-2:2020
Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn (ISO 4869-2:2018)
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Technical characteristics
| Publisher | Asociacion Espanola de Normalizacion y Certificacion (AENOR) |
| Publication Date | 04/01/2020 |
| Page Count | 27 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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