DIN EN ISO 16890-3 E:2015 文件草案 用于一般通风的空气过滤器 第3部分:重量效率和气流阻力与捕获的测试粉尘质量的测定(ISO/DIS 16890-3:2015)
Draft Document - Air filters for general ventilation - Part 3: Determination of the gravimetric efficiency and the airflow resistance versus the mass of test dust captured (ISO/DIS 16890-3:2015); German and English version prEN ISO 16890-3:2015