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A kind of small-sized arc water conservancy valve
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A kind of mobile phone protective cover mold hot runner system
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A kind of small-sized sink water-blocking valve
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A kind of water conservancy dam configuration
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A kind of water conservancy ecosystem slope protection net
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A kind of image instrument pedestal fine tuning structure
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A kind of new type water plane detection instrument
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It is a kind of can uniform stirring building concrete agitating device
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A kind of adjustable-angle image instrument
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A kind of magnetic suspension knob and automobile gear shift switch
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A kind of quick recycling and processing device of scrap iron
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A kind of multi-functional scrap iron recycling equipment
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A kind of scrap iron high efficiente callback processing equipment
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Liquid-based cell analyzer staining method of cells exfoliated from serous cavity by using Wright staining method
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Air filter coarse strainer
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Preparation method of liquid-based cell system quality control substance
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