Aluminium and aluminium alloys - Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings - Part 1: Numerical designation system; German version EN 1780-1:1996— 4 стр.
Aluminium and aluminium alloys - Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings - Part 1: Numerical designation system; German version EN 1780-1:1996— 4 стр.