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Subsea oil-gas pipeline maintenance method
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Method for improving efficiency of solar cell by using layer-by-layer self-assembly core-shell structure ZnSe/ZnS colloid quantum dots
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Heat dissipation machine case for computer
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Experimental circuit board convenient for identifying element
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Library is show shelf for periodical with classification function
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Sensor Assembly Part based on mobile actuator
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Combined type reading table chair deformation mechanism based on library's intelligence is read
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Game type teaching device applied to preschool education
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Accounting book rapid cutting device for accounting teaching and use method thereof
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Barrier-free stair slope structure for library
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Library is with library's book carrier that has adjustable function of layer distance
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Self-service lifting desk based on library
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Multilayer detachable arch book storage rack for library
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Positioning and slotting device for plastic plates
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Brewing microbial inoculum for acidized beer and application thereof
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Sediment/soil column core sample collection device
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Dance teaching auxiliary system based on physique is compared
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Physical training device is used in sports teaching
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Three-dimensional plant cluster trimming method with cambered surface modeling
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Crawler-type pruning robot
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