PREN 2670-1988 Aerospace Series Heat Resisting Nickel Base Alloy Ni-P96 Melted Under Vacuum Solution Treated and Precipitation Treated Forgings (Issue P 1)
2010PREN 2670-2010 Aerospace series Heat resisting nickel base alloy Ni-P96 Melted under vacuum Solution treated and precipitation treated Forgings (Edition P2)
1988PREN 2670-1988 Aerospace Series Heat Resisting Nickel Base Alloy Ni-P96 Melted Under Vacuum Solution Treated and Precipitation Treated Forgings (Issue P 1)