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Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane.
STANDARD published on 1.2.2011
Designation standards: DIN EN ISO 3744:2011-02
Publication date standards: 1.2.2011
SKU: NS-245754
The number of pages: 92
Approximate weight : 307 g (0.68 lbs)
Country: German technical standard
Category: Technical standards DIN
Akustik - Bestimmung der Schallleistungs- und Schallenergiepegel von Geräuschquellen aus Schalldruckmessungen - Hüllflächenverfahren der Genauigkeitsklasse 2 für ein im Wesentlichen freies Schallfeld über einer reflektierenden Ebene.
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