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CN109778796A
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Resist the lock gate of high hydraulic pressure
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CN109594996A
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A kind of efficient annular shield machine
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CN109653250A
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A kind of simple method of construction of seabed tunnel
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CN109653047A
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The solution of city automobile traffic congestion
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CN109505252A
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A kind of simple method of construction of Very Large Bridge
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CN109257959A
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A kind of vegetable plot uprooting weed hoe
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CN109532889A
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Angle of attack bottom wing punching press gas suspension train
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CN109532508A
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A kind of U-shaped magnetic suspension mode of train
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CN109532881A
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Airfoil punching press gas suspension train
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CN109267556A
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The time saving ship lock of unidirectional downlink water-saving
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CN109267535A
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A kind of administering method of plain river
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CN109267536A
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A kind of Waterway Regulation of library tail falling zone
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CN109267557A
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The time saving ship lock of unidirectional uplink water-saving
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CN108978969A
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The floor layer of bilayer model casting foamed cement
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CN108978943A
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The wall of the fixed ceramic tile casting foamed cement of pillar
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CN108978944A
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The wall of the fixed ceramic tile casting foamed cement of adhesive strip
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CN108978959A
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Frame shape glass assembles the wall of casting foamed cement
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CN108978958A
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Buckle the wall of fixed marble casting foamed cement
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CN108979000A
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The pillar of the fixed ceramic tile casting foamed cement of card slot
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CN108978942A
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The wall of the fixed ceramic tile casting foamed cement of card slot item
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