Aerospace series; steel, nickel base and cobalt base alloy remelting stock and castings; technical specification; part 3: pre-production and production castings; german version EN 2103-3:1991
航空航天系列;钢、镍基和钴基合金重熔坯料和铸件;技术规范;第3部分:预生产和生产铸件;德文版EN 2103-3:1991