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Mixing method and apparatus utilizing pipe elbows
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Apparatus for the aerobic treatment of liquid waste
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Waste water process tank control facility
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Method of producing a uniformly distributed, true, interfering current, mixing condition and apparatus therefor
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Cut-water for self-priming centrifugal pumps
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Liquid ejectors
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Flocculation mechanism
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Supernatant liquor strainers for sludge digestion tanks
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Distributor of the rotary type
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Means for purifying sewage and the like
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Flocculation and mixing apparatus
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Centrifugal pump
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Method of digesting sludge arranged at different levels and apparatus therefor
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Combined wet screening and shredding apparatus
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Apparatus for effecting clarification of turbulent liquid by flocculation
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Pump
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Cut-water for self-priming centrifugal pumps
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CA456163A
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Sewage digestion apparatus and method of digesting sludge
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CA858393A
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Method of producing a uniformly distributed, true, interfering current, mixing condition and apparatus therefor
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CA489799A
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Means for purifying sewage and the like
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