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BS EN ISO 4869-1:2018
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The latest, up-to-date edition.
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Acoustics. Hearing protectors Subjective method for the measurement of sound attenuation
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
28-11-2018
Publisher
This document specifies a subjective method for measuring sound attenuation of hearing protectors at the threshold of hearing.
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