Bethlehem Steel Company. Structural sections : Bethlehem structural shapes, standard structural shapes and miscellaneous shapes / Bethlehem Steel Company.

Bethlehem Steel Company.

Structural sections : Bethlehem structural shapes, standard structural shapes and miscellaneous shapes / Bethlehem Steel Company.

Bethlehem, PA. : The Company, [1928]

"Catalogue S-31."

Steel I-beams -- Catalogues.

Steel, Structural -- Catalogues.

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