DIN ISO 24394-2021 航空航天应用焊接. 焊工和焊接操作人员的资格测试. 金属部件的熔焊(ISO 24394-2018, 更正版 2020-11)
Welding for aerospace applications - Qualification test for welders and welding operators - Fusion welding of metallic components (ISO 24394:2018, Corrected version 2020-11)
This International Standard specifies requirements for the qualification of welders and welding operators for the fusion welding of metallic materials for aerospace applications. A welder or welding operator qualification test properly passed in accordance with this International
This International Standard specifies requirements for the qualification of welders and welding operators for the fusion welding of metallic materials for aerospace applications. A welder or welding operator qualification test properly passed in accordance with this International