作者:veranstaltet von der Sektion für Hüttenwesen der Deutschen Akademie der Wissenschaften zu Berlin und der Gesellschaft Deutscher Berg- und Hüttenleute.
作者:sponsored by the Metal Powder Industries Federation and the Powder Metallurgy Parts Association, in cooperation with the U.S. Army Material Command, presented December 8, 9, 1971, Detroit, Michigan.
sponsored by the Metal Powder Industries Federation and the Powder Metallurgy Parts Association, in cooperation with the U.S. Army Material Command, presented December 8, 9, 1971, Detroit, Michigan.