DIN EN 12020-2:2017 铝和铝合金.EN AW-6060和EN AW-6063合金中挤压的精密型材.第2部分:尺寸和形状公差;德文版本EN 12020-2-2016+AC-2017
Aluminium and aluminium alloys - Extruded precision profiles in alloys EN AW-6060 and EN AW-6063 - Part 2: Tolerances on dimensions and form; German version EN 12020-2:2016 + AC:2017