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Kingsley, Iowa. CNW
Le Mars, Iowa. CMO (CNW)
Chemical Engineering Dept.,1931
Electrolytic cell for production of Dakin solution (sodium hypochlorite), 1931
Chemical Engineering Dept.,1931
Electrolytic cell for production of Dakin solution (sodium hypochlorite), 1931
Sketch v. 35, n. 2, Winter 1969