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Spindle axis vortex vane type vector propulsion device peculiar to vessel
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A kind of halogen material and preparation method thereof
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A kind of watermelon milk confectionery and preparation method thereof
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A kind of "Hami" melon milk confectionery and preparation method thereof
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A kind of environmentally protective furniture paint
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A kind of no ponding whirling motion whirlpool leaf hydroelectric generation component
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A kind of large capacity superhigh pressure fire-fighting water pump
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Method for directly driving water feeding pump by combination of frequency converter and high-speed motor
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A kind of nuclear power engine
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A kind of change loss rate analysis is to power equipment and the online pre-judging method of loop fault
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Dual-vortex negative pressure internal combustion engine
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Natural oxidation and radiation resistant sterilization material and preparation method thereof
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Bidirectional turbine vane inner-cooling negative pressure aviation hydrogen power engine
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Egg cutter
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Cup placing frame
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Multifunctional umbrella
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Drawer handle structure
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Door burglar alarm
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