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BS EN 24869-1

91st Edition, June 28, 1991

Complete Document

Sound attenuation of hearing protectors - Part 1: Subjective method of measurement

Includes all amendments and changes through Reaffirmation Notice , January 1, 2003


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Superseded By: BS EN ISO 4869-1

EN
Additional Comments:
W/D S/S BY BS EN ISO 4869-1 * INCLUDES AMD 1
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Description / Abstract:

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.