Method of treating water
United States Patent 1475396

Inventors:
Paul, Kestner
Publication Date:
11/27/1923
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Assignee:
Paul, Kestner
Primary Class:
422/19
Other Classes:
210/722, 423/633, 423/269, 252/188.280, 252/178, 502/324
International Classes:
C02F1/20