标 准 编 号：EN 755-9-2008 简体中文标题：铝和铝合金.挤压竿材/棒材、管材和型材.第9部分:截面、尺寸和形状公差 繁体中文标题：铝和铝合金.挤压竿材/棒材、管材和型材.第9部分:截面、尺寸和形状公差 English Name：Aluminium and aluminium alloys - Extruded rod/bar, tube and profiles - Part 9: Profiles, tolerances on dimensions and form; English version EN 755-9:2008
