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Acoustics - Measurement of the in situ sound attenuation of a removable screen.
STANDARD published on 1.8.1997
Designation standards: DIN EN ISO 11821:1997-08
Publication date standards: 1.8.1997
SKU: NS-242512
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: German technical standard
Category: Technical standards DIN
Akustik - Messung der Schalldämpfung von versetzbaren Schallschirmen im Einsatzfall.
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