China 'GB/T 43905.4-2024
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 43905.4-2024
Laboratory methods for sampling fumes and gases for welding and related processes - Part 4: Emission limits of welding fumes from welding materials 焊接及相关工艺中烟尘和气体取样的实验室方法-第4部分:焊接材料焊接烟尘排放限值
Issued Date:2024.4.25
Implemented Date:2024.11.1
Issued by:
The Standardization Administration of the People's Republic of China