71614131
May 21, 1951
Sep 29, 1953
UNITARY EQUIPMENT CONSISTING OF FLOCCULENT STORAGE TANKS, RETENTION TANKS, FLOTATION CHAMBERS IN COMBINATION WITH PUMPS, AIR INJECTORS, VALVES, AND MOTORS AND DESIGNED FOR THE PURPOSE OF SEPARATING SOLIDS, OILS, CHEMICALS AND OTHER MATERIALS FROM WATER AND LIQUID THROUGH A PROCESS OF AIR INJECTION AND FLOTATION
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