University of Illinois Urbana-Champaign

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Showing 5791–5820 of 13,356 items
Thumbnail for Negativing Invention
Negativing Invention
Sherkow, Jacob S.

Thumbnail for The bonding action of clays. Part I: Clays in green molding sands
The bonding action of clays. Part I: Clays in green molding sands
Grim, Ralph E.; Cuthbert, Frederick Leicester