NF EN 352-9

Hearing protectors - Safety requirements - Part 9 : earplugs with safety-related audio input

Le présent document s'applique aux bouchons d'oreille avec en supplément une entrée audio dédiée à la sécurité. Il spécifie les exigences en matière de construction, de conception, de performances et de marquage ainsi que les informations destinées à l'utilisateur pour ce qui concerne l'incorporation de l'entrée audio liée à la sécurité.

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