NUMERICALLY CONTROLLED GAS TUNGSTEN ARC WELDING PROCESS DEVELOPMENT. Document Details Document Type Technical Report Publication Date Jun 01, 1968 Accession Number AD0835451 Entities People G. R. Stoeckinger L. L. Littlefield Organizations Douglas Tags DTIC Thesaurus Topics Arc Welding Electric Welding Fusion Welding Gas Metal Arc Welding Gas Tungsten Arc Welding Inert Gas Welding Joining Thermal Joining Tungsten Welding