21
by Gaylord, Edwin H., 1903-1998.
Published 1992
Subjects: ...Building, Iron and steel....
22
by Easterling, K.E.
Published 1983
Subjects: ...Steel -- Welding....
23
by Child, H. C.
Published 1980
Subjects: ...Steel -- Heat -- Treatment....
24
by Szekely, Julian,, 1934-
Published 1989
Subjects: ...Steel founding....
25
Published 1967
Subjects: ...Steel castings -- Defects....
26
Published 1987
Subjects: ...Steel industry and trade -- Directories....
27
Published 1982
Subjects: ...Steel, Structural welding....
28
Published 1982
Subjects: ...Steel, Structural welding....
29
Published 1979
Subjects: ...Steel, Structural welding....