标 准 号：DIN EN 755-8-2008简体中文标题：铝和铝合金.挤压棒材、管材和型材.第8部分:带孔管材.尺寸和形状公差 繁体中文标题：铝和铝合金.挤压棒材、管材和型材.第8部分:带孔管材.尺寸和形状公差 English Name：Aluminium and aluminium alloys - Extruded rod/bar, tube and profiles - Part 8: Porthole tubes, tolerances on dimensions and form;...