NATIONAL TUBE CO.
National oil country tubular products containing tables and useful information pertaining to oil country products as manufactured by National Tube Company, Pittsburgh, Pa., 1934.
NATIONAL TUBE CO. National oil country tubular products containing tables and useful information pertaining to oil country products as manufactured by National Tube Company, Pittsburgh, Pa., 1934. © 7Feb34; AA139115. United States Steel Corp. (PWH); 6Dec61; R286654.
United States Steel Corp.|PWH