ISO/TR 4869-4:1998

Acoustics — Hearing protectors — Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs

Acoustique — Protecteurs individuels contre le bruit — Partie 4: Mesurage des niveaux effectifs de pression acoustique des serre-tête destinés à la restitution du son

Fecha Anulación:

1998-10-01 / Withdrawn

ICS:

13.340.20 - Head protective equipment. Including helmets, eye-protectors, hearing protectors, ear muffs, teeth protectors and hoods.

Committee:

ISO/TC 43/SC 1 - Noise

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This standard is available in:

Digital format

Ingles / Frances