GB/T 25774.3-2023焊接材料的检验第3部分:T型接头角焊缝试样的制备及检验国家标准
英文:Test methods for welding consumables—Part 3:Preparation and testing of a fillet weld specimens for T-joint GB/T 25774...
英文:Test methods for welding consumables—Part 3:Preparation and testing of a fillet weld specimens for T-joint GB/T 25774...