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CN108815778A
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A kind of fire extinguishing system and fire-fighting mode
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CN108815779A
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A kind of water tower
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CN108815780A
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A kind of water pipe
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CN108721903A
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A kind of amusement equipment system and its application
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CN108815777A
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A kind of building structure and its fire-fighting mode
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CN110180106A
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A kind of Fire fighting system in high-vise building and its fire-fighting mode
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CN108578948A
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A kind of building and its fire-fighting system
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CN108578951A
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It is a kind of can be externally for the building of above-water method
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CN108583887A
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A kind of amusement aircraft and its application
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CN108791836A
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A kind of aircraft and its application
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CN108791835A
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A kind of aircraft and its application
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CN108744343A
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A kind of fire-fighting mode
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CN108565331A
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A kind of thermoelectric material
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CN108539002A
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A kind of thermoelectric composite material and preparation method thereof
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CN108565530A
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A kind of lithium-air battery and preparation method thereof
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CN108274001A
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A kind of TC4 titanium alloys laser gain material manufacturing process
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CN108500264A
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A kind of aluminium alloy increasing material manufacturing technique
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CN108488354A
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A kind of harmonic reducer flexible wheel structure design and optimization method
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CN107970614A
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A kind of swing component
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CN107952247A
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A kind of dynamic swing
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