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Health and safety in welding and allied processes - Requirements, testing and marking of equipment for air filtration - Part 3: Determination of the capture efficiency of on-torch welding fume extraction devices (ISO 21904-3:2018) 焊接和相关工艺中的健康和安全.空气过滤设备的要求、试验和标记.第3部分:焊枪焊接排烟装置捕集效率的测定(ISO 21904-3-2018)
发布日期: 2018-07-01
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发布单位或类别: 德国-德国标准化学会
关联关系
研制信息
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