DIN EN 12020-1:2008
铝和铝合金.EN AW-6060和EN AW-6063合金中挤压的精密型材.第1部分:检验和交货技术条件
Aluminium and aluminium alloys - Extruded precision profiles in alloys EN AW-6060 and EN AW-6063 - Part 1: Technical conditions for inspection and delivery; English version of DIN EN 12020-1:2008-06