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Publication: Debris
Subject: Chemical Engineering
Date: 1939
p. 72-84
Publication: Debris
Subject: Chemical Engineering
Date: 1939
p. 72-84
Natural Resources the Chemical Way Au:Bray, John L.
Publication: Purdue Engineer
Subject: Chemical Engineering
Date: 10/1939
vol. 35, No. 1 p. 5
Publication: Purdue Engineer
Subject: Chemical Engineering
Date: 10/1939
vol. 35, No. 1 p. 5
