DIN 45635-33:1979-07 Measurement of airborne noise emitted by machines; enveloping surface method, construction equipment

标准编号：DIN 45635-33:1979-07

英文标题：Measurement of airborne noise emitted by machines; enveloping surface method, construction equipment

德文标题：Geräuschmessung an Maschinen; Luftschallmessung, Hüllflächen-Verfahren, Baumaschinen

发布日期：1979-07

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