Home / Standards / GB/T 46087.4-2025 GB/T 46087.4-2025 Active Test for shop primers in relation to welding and allied processes—Part 4: Emission of fumes and gases 车间底漆焊接及相关工艺试验 第4部分:烟尘和气体的排放 Standard Type GBT ICS 25.160.10 CCS J33 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 国家标准委 Drafting Unit N/A