Aeronautical Knowledge (Selected Articles), Open PDF Document Details Document Type Technical Report Publication Date Apr 14, 1980 Accession Number ADA084073 Entities People Qian Hongyuan Xu Xizhan Organizations National Air and Space Intelligence Center Tags Communities of Interest Ground and Sea Platforms DTIC Thesaurus Topics Aircrafts Airships Alloys Aluminum Aluminum Alloys Balloons Bearings Biomedical And Dental Materials Blimps Fibers Films Foreign Technology Materials Materials Laboratories Polyester Fibers Synthetic Materials United States