DIN EN 4678:2012-01 Aerospace series - Weldments and brazements for aerospace structures - Joints of metallic materials by laser beam welding - Quality of weldments; German and English version EN 4678:2011
2012DIN EN 4678:2012-01 Aerospace series - Weldments and brazements for aerospace structures - Joints of metallic materials by laser beam welding - Quality of weldments; German and English version EN 4678:2011