prEN ISO 16890-3
一般通风用空气过滤器 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 16890-3:2023)
Air filters for general ventilation - Part 3: Determination of the gravimetric efficiency and the air flow resistance versus the mass of test dust captured (ISO/DIS 16890-3:2023)