AECMA PREN 3552-1988 航空航天系列.铝合金(2618A)溶液处理,弄直和人工老化(T6)镀层镀层板和带 a≥0,4 mm 小于或等于6 mm
Aerospace Series Aluminium Alloy (2618A) Solution Treated, Straightened and Artificially Aged (T6) Clad Sheet and Strip 0,4 Less Than or Equal to a Less Than or Equal to 6 mm Issue P 1