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Numerically controlled full-speed energy storing/changing automobile power mechanism
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Voice exciting rainer
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Dewatering energy-saving device for air conditioner
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Solar heat collecting pipe
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Wellpoint precipitation cold storage device
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Numerical controlled ground controller for coal mine gasification
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Solar-energy stepped squential flashing sea-water desalination device
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Roller-type top-driven digital-controlled beam-pumping unit
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Indoor warming device using solar-energy as energy source
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Domestic heat equilibrium ventilator
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Sliding beam type digital control electric equilibrium device for oil extraction pump
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"Green" energy saving structural members
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"Green" window single body with sunshine-proof function made of vacuum tube
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Attracted top projector display device for industry control
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Numerical control wind-power oil-pumping and water-injection combined equipment
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Numerically controlled oil recovering apparatus using residual well pressure
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Glass mirror without fogging and frosting
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Combined solar apparatus for seawater desalination and heat supply
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Numerically controlled energy-storing power station
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Gas spraying fire extinguisher on water
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