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CN109305349A
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A kind of cacheable quadrotor drone
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CN109305334A
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A kind of unmanned plane with alleviation impact force function
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CN109334972A
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A kind of quadrotor drone with landing buffer function
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CN109305350A
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A kind of quadrotor drone
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CN109305333A
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A kind of retractable unmanned plane of undercarriage
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CN109305335A
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One kind being based on the retractable unmanned plane of mechanically operated undercarriage
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CN109305332A
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It is a kind of with alleviate impact force and undercarriage can draw-in and draw-off function unmanned plane
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CN109305331A
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It is a kind of with the quadrotor drone that can stack undercarriage
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CN109411548A
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Power diode and preparation method thereof
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CN109411529A
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A kind of power device and preparation method thereof with super-junction structure
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CN109461767A
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A kind of super-junction structure and preparation method thereof
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CN108968352A
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A kind of teaching lectern with information technology
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CN108774074A
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A kind of light sound-proof high-strength panel and preparation method thereof
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