标 准 编 号：BS EN 755-4-2008
简体中文标题：铝和铝合金.挤压的杆材/棒材、管材和型材.方棒材的尺寸和形位公差
繁体中文标题：铝和铝合金.挤压的杆材/棒材、管材和型材.方棒材的尺寸和形位公差
English Name：Aluminium and aluminium alloys - Extruded rod/bar, tube and profiles - Square bars, tolerances on dimensions and form