Home / Standards / GB/T 43917.2-2024 GB/T 43917.2-2024 Active Equipment for capture and separation of welding fume—Part 2: Requirements for testing and marking of separation efficiency 焊接烟尘捕集和分离设备 第2部分:分离效率的测试和标记要求 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