NF L06-402*NF EN 4678:2012 Aerospace series - Weldments and brazements for aerospace structures - Joints of metallic materials by laser beam welding - Quality of weldments.
2012NF L06-402*NF EN 4678:2012 Aerospace series - Weldments and brazements for aerospace structures - Joints of metallic materials by laser beam welding - Quality of weldments.