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Receiving and dispatching ball barrel with safety interlocking function
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Modified glass filter material for oilfield sewage treatment and preparation method thereof
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A kind of low sheraing pressure regulation Injecting polymer unit
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A kind of mixed liquid injection allocation apparatus of low sheraing individual well
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A kind of skid-mounted high pressure water regulation device
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A kind of spiral-plate heat exchanger
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A kind of energy-saving heating chemicals dosing plant
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A kind of superhydrophilic superoleophobic metal mesh and preparation method thereof
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A kind of high temperature water filling fine filtration device
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Demountable spiral-plate heat exchanger
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A kind of multi-sealed supercharging ball valve
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Safety cut-off valve and its control system
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Eddy flow agglomerated air floatation removes oil column
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Air-dissolving air-float tank
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A kind of mass flowmenter for being easy to cleaning
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Second-grade grinding wheel carried cock plug angle type flow self-control instrument
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Rotating type self-scrubbing filter
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