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  4. Standard "STN EN ISO 4869-2"
WITHDRAWN STN EN ISO 4869-2 1.4.1998 preview

STN EN ISO 4869-2 (832131)

Acoustics. Hearing protectors. Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn



STANDARD published on 1.4.1998


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The information about the standard:

Designation standards: STN EN ISO 4869-2
Classification mark: 832131
Catalog number: 72258
Note: WITHDRAWN
Publication date standards: 1.4.1998
SKU: NS-538573
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Slovak technical standard
Category: Technical standards STN

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