UNE-EN 2632:2005航空航天系列 铝合金 AL-P7075 T73511 挤压棒材和型材 a 或 D =<150mm 具有外围粗晶粒控制 Aerospace series - Aluminium alloy AL-P7075 - T73511 - Extruded bar and section - a or D =<150 mm with peripheral coarse grain control (Endorsed by AENOR in March of 2006.)...