Reference Source

ISO 4869:1981

For ISO 4869:1981, item title is Acoustics — Measurement of sound attenuation of hearing protectors — Subjective method; status code is 9599; successor is ISO 4869-1:1990; withdrawn / published date is 1981-12-01, recorded from its source on 2026-08-05.

Identifier
ISO 4869:1981 verified
Item title
Acoustics — Measurement of sound attenuation of hearing protectors — Subjective method verified
Status code
9599 verified
Successor
ISO 4869-1:1990
Withdrawn / published date
1981-12-01 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

10849,IS,,ISO 4869:1981,Acoustics — Measurement of sound attenuation of hearing protectors — Subjective method,Acoustique — Mesurage d'affaiblissement acoustique des protecteurs individuels contre le bruit — Méthode subjective,1981-12-01,1,['13.340.20'],ISO/TC 43,9599,,[10850],"['en','fr']",4,

isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05

Source

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