Acoustics; measurement of airborne noise emitted by computer and business equipment (ISO 7779:1988); german version EN 27779:1991
German title
Akustik - Geräuschmessung an Maschinen - Luftschallemission, Hüllflächen- und Hallraum-Verfahren; Geräte der Büro- und Informationstechnik (ISO 7779:1988); Deutsche Fassung EN 27779:1991
Publication date
1991-11
Original language
German
Pages
36
Publication date
1991-11
Original language
German
Pages
36
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