GB/T 25749.5-2012
ActiveSafety of machinery - Evaluation of the emission of airborne hazardous substances - Part 5: Test bench method for the measurement of the separation efficiency by mass of air cleaning systems with unducted outlet
机械安全 空气传播的有害物质排放的评估 第5部分:测量不带导管出口的空气净化系统质量分离效率的试验台法