DIN EN 2103-1:1991-11 Aerospace series; steel, nickel base and cobalt base alloy remelting stock and castings; technical specification; part 1: general requirements; german version EN 2103-1:1991
1991DIN EN 2103-1:1991-11 Aerospace series; steel, nickel base and cobalt base alloy remelting stock and castings; technical specification; part 1: general requirements; german version EN 2103-1:1991
1991DIN EN 2103-1:1991 Aerospace series; steel, nickel base and cobalt base alloy remelting stock and castings; technical specification; part 1: general requirements; german version EN 2103-1:1991