Acoustics — Hearing protectors — Part 1: Subjective method for the measurement of sound attenuation
Acoustique — Protecteurs individuels contre le bruit — Partie 1: Méthode subjective de mesurage de l'affaiblissement acoustique
13.340.20 - Head protective equipment. Including helmets, eye-protectors, hearing protectors, ear muffs, teeth protectors and hoods.
Anula a: ISO 4869-1:1990
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Ingles / Frances
