Hansen, J. S.
Casting P-900 armorplate by the expendable pattern casting process / by J.S. Hansen and P.C. Turner. - Washington, DC : U.S. Dept. of the Interior, Bureau of Mines, 1992. - 7 p. : ill. - Report of investigations ; 9436 . - United States. Bureau of Mines. Report of investigations ; 9436. . - Report of investigations (United States. Bureau of Mines) ; 9436. .
92023266
Steel castings.
Steel founding.
Casting P-900 armorplate by the expendable pattern casting process / by J.S. Hansen and P.C. Turner. - Washington, DC : U.S. Dept. of the Interior, Bureau of Mines, 1992. - 7 p. : ill. - Report of investigations ; 9436 . - United States. Bureau of Mines. Report of investigations ; 9436. . - Report of investigations (United States. Bureau of Mines) ; 9436. .
92023266
Steel castings.
Steel founding.