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Acoustics - Hearing protectors - Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs.
STANDARD published on 1.10.2000
Designation standards: DIN EN ISO 4869-4:2000-10
Note: WITHDRAWN
Publication date standards: 1.10.2000
SKU: NS-246132
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: German technical standard
Category: Technical standards DIN
Akustik - Gehörschützer - Teil 4: Messung der wirksamen Schalldruckpegel von Kapselgehörschützern mit pegelabhängiger elektroakustischer Übertragungseinrichtung.
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Latest update: 2025-04-29 (Number of items: 2 197 611)
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