Acoustics - Determination of sound power radiated into a duct by fans and other air-moving devices - In-duct method (ISO 5136:2003); German version EN ISO 5136:2003
German title
Akustik - Bestimmung der von Ventilatoren und anderen Strömungsmaschinen in Kanäle abgestrahlten Schallleistung - Kanalverfahren (ISO 5136:2003); Deutsche Fassung EN ISO 5136:2003
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