File:Tappi auricolari-valori di insonorizzazione.png
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![File:Tappi auricolari-valori di insonorizzazione.png](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Tappi_auricolari-valori_di_insonorizzazione.png/800px-Tappi_auricolari-valori_di_insonorizzazione.png?20130223210613)
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[edit]DescriptionTappi auricolari-valori di insonorizzazione.png |
Italiano: Mia scansione parziale ("cropped") di un contenitore di tappi auricolari riportante le Norme EN 352-2:2002 relative ai valori di attenuazione espressi in decibel in funzione della frequenza audio in hertz. |
Source | Own work |
Author | Pracchia-78 |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:06, 23 February 2013 | ![]() | 918 × 670 (517 KB) | Pracchia-78 (talk | contribs) | Mia scansione parziale ("cropped") di un contenitore di tappi auricolari riportante le Norme EN 352-2:2002 relative ai valori di attenuazione espressi in decibel in funzione della frequenza audio in hertz. |
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File change date and time | 20:44, 23 February 2013 |
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