Home / Standards / GB/T 43917.3-2024 GB/T 43917.3-2024 Active Equipment for capture and separation of welding fume—Part 3: Determination of the capture efficiency of on-torch welding fume extraction devices 焊接烟尘捕集和分离设备 第3部分:焊枪上烟尘吸气装置捕集效率的测定 Standard Type GBT ICS 25.160.01 CCS J33 Status 现行 Issue Date 2024-04-25 Implementation 2024-11-01 Responsible Dept 国家标准委 Drafting Unit N/A