[国外标准] ASTM A494/A494M-2004镍和镍合金铸件
[国外标准] ASTM A494/A494M-08
[国外标准] ASTM A494/A494M-07
[国外标准] ASTM A494/A494M-05 Standard Specification for Castings, Nickel and Nickel Alloy
[国外标准] ASTM A494/A494M-04 镍和镍合金铸件
[国外标准] ASTM A494/A494M-03a 镍和镍合金铸件