DIN EN 755-8 Berichtigung 1-2009 铝和铝合金.挤压棒材、管材和型材.第8部分:带孔管材的尺寸和形状公差.技术勘误DIN EN 755-8-2008
Aluminium and aluminium alloys - Extruded rod/bar, tube and profiles - Part 8: Porthole tubes, tolerances on dimensions and form; German version EN 755-8:2008, Corrigendum to DIN EN 755-8:2008-06