Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 1: Measurement at discrete points (ISO 9614-1:1993); German version EN ISO 9614-1:2009
German title
Akustik - Bestimmung der Schallleistungspegel von Geräuschquellen aus Schallintensitätsmessungen - Teil 1: Messungen an diskreten Punkten (ISO 9614-1:1993); Deutsche Fassung EN ISO 9614-1:2009
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