YS/T 417.1-1999 Defects in wrought aluminum and aluminum alloy ingots and their processed products - Part 1: Defects in wrought aluminum and aluminum alloy ingots (English Version)
1999YS/T 417.1-1999 Defects in wrought aluminum and aluminum alloy ingots and their processed products - Part 1: Defects in wrought aluminum and aluminum alloy ingots