KS B ISO 15012-2-2016 焊接和相关工艺中的健康和安全 - 空气过滤设备的要求 测试和标记第2部分:Captor敞篷和喷嘴的最小空气体积流量的确定
Health and safety in welding and allied processes — Requirements, testing and marking of equipment for air filtration — Part 2: Determination of the minimum air volume flow rate of captor hoods and no