73094126
Jul 21, 1976
Feb 13, 1979
SIEMENS WATER TECHNOLOGIES HOLDING CORP.
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APPARATUS FOR SEPARATING OIL FROM WATER, CONSISTING OF A PUMP FOR CIRCULATING OIL-WATER EFFLUENT THROUGH A TANK HAVING A SKIMMER AND HAVING MEANS FOR INJECTING PRESSURIZED GAS INTO THE CIRCULATING STREAM