Carnegie Library of Pittsburgh - Pittsburgh Iron & Steel Heritage

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  • Subject = Bridges -- Floors -- Equipment and supplies -- Catalogs.
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T-Tri-Lok bridge floor construction
T-Tri-Lok bridge floor construction : a light weight heavy duty floor with integral armoring / Carnegie Steel Company.
Carnegie Steel Company -- Catalogs., Bridges -- Floors -- Equipment and supplies -- Catalogs., Steel, Structural -- Catalogs.
46 pages : illustrations 28 cm.