ISO 4869:1981
Withdrawn
Date published:
Acoustics — Measurement of sound attenuation of hearing protectors — Subjective method
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Related Information
13.340.20 Head protective equipment
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ISO 4869:1981
Get this standard
Prices exclude GST
PDF
( Single user document)
$95.96 NZD
HardCopy
$99.90 NZD
Networkable PDF
Price varies