Utley, H.F., United States
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Materiales de Construcción Vol. 2 No. 027 (1952) - Research Articles
Dust collecting system
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Materiales de Construcción Vol. 2 No. 032 (1952) - Research Articles
Columbia gypsum produots uses kettle of unusual design
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Materiales de Construcción No. 017 (1950) - Research Articles
Lehigh's metaline falls output doubled by modornization program
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Materiales de Construcción No. 018 (1950) - Research Articles
Columbia gypsum products speeds completion of spokane plant
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