Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation (ISO 4869-1:2018)

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Hardcopy

Published date

01-07-2019

Publisher

Swiss Standards

This document specifies a subjective method for measuring sound attenuation of hearing protectors at the threshold of hearing.

Standards	Relationship
ISO 4869-1:2018	Identical

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