prEN 2098-2-1981 Aerospace series; inspection and testing requirements for titanium and heat resisting alloy wrought products; part 2: inspection and testing requirements for sheets, strips and plates
1994PREN 2098-2-1994 Aerospace Series Inspection and Testing Requirements for Titanium and Heat Resisting Alloy Wrought Products Part 2 - Inspection and Testings Requirements for Sheets@ Strips and Plates (Edition 2)
1981prEN 2098-2-1981 Aerospace series; inspection and testing requirements for titanium and heat resisting alloy wrought products; part 2: inspection and testing requirements for sheets, strips and plates