DIN 45635-31:1980-11 Measurement of airborne noise emitted by machines; enveloping surface method, comminuting machines
标准编号:DIN 45635-31:1980-11
英文标题:Measurement of airborne noise emitted by machines; enveloping surface method, comminuting machines
德文标题:Geräuschmessung an Maschinen; Luftschallmessung, Hüllflächen-Verfahren, Zerkleinerungsmaschinen
发布日期:1980-11
标准预览图


