DEVELOPMENT OF IMPROVED METHODS, PROCESSES, AND TECHNIQUES FOR PRODUCING STEEL EXTRUSIONS Open PDF Document Details Document Type Technical Report Publication Date Dec 31, 1962 Accession Number AD0294953 Entities People L. M. Christensen Tags Communities of Interest Air Platforms Weapons Technologies DTIC Thesaurus Topics Air Force Facilities Aircrafts Airframes Assembly Chemistry Contractors Contracts Engineering Engineers Heat Treatment Manufacturing Materials Materials Science Mechanical Properties New York Production Production Engineering