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BS EN 24869-1:1993:1991 Edition

BS EN 24869-1:1993:1991 Edition

$102.76

Acoustics. Hearing protectors – Sound attenuation of hearing protectors. Subjective method of measurement

Published By Publication Date Number of Pages
BSI 1991 16
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Method for measuring sound attenuation at the threshold of hearing, giving consistently reproducible values which are close to the maximum attainable but are unlikely to be achieved in use.

BS EN 24869-1:1993
$102.76