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Document Designation and Title Year Select Item(s) A997 Standard Practice for Investment Castings, Surface Acceptance Standards, Visual Examination 08 A997 Standard Practice for Investment Castings, Surface Acceptance Standards, Visual Examination 07 A997 Standard Practice for Investment Castings, Surface Acceptance Standards, Visual Examination 98(2003)e1 A997 Standard Practice for Investment Castings, Surface Acceptance Standards, Visual Examination 98(2003) A997 Standard Practice for Investment Castings, Surface Acceptance Standards, Visual Examination 98