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duane s ellifritt
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Cold-Formed Steel Structures to the AISI Specification
Gregory J. Hancock, Thomas M. Murray, Duane S. Ellifritt · Marcel Dekker, Inc.
416 sayfa · 2001
Cold working / Engineering / Iron and steel Building / Nonfiction / Steel
An inventory of historic engineering sites in Oklahoma
Duane S. Ellifritt · School of Civil Engineering, Oklahoma State University
21 sayfa · 1974
Civil engineering / History