DIN 45635-38:1986-04 Measurement of noise emitted by machines; airborne noise emission; enveloping surface method, reverberation room method and in-duct method; fans

标准编号：DIN 45635-38:1986-04

英文标题：Measurement of noise emitted by machines; airborne noise emission; enveloping surface method, reverberation room method and in-duct method; fans

德文标题：Geräuschmessung an Maschinen; Luftschallemission, Hüllflächen-, Hallraum- und Kanal-Verfahren; Ventilatoren

发布日期：1986-04

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