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CN112127782A
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Door and window locking device and door and window
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CN109875249A
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A kind of multi-media platform of regulating top height and gradient
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CN109875239A
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A kind of deformable folding table
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CN109686019A
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A kind of campus security device
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CN108421791A
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A kind of bioconversion medium test tube cleaning device
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CN108295436A
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A kind of athletic training upper body exercise device
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CN108295433A
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A kind of sports dancing training pressing-leg device
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CN108211195A
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A kind of athletic training jumping stand that height is facilitated to adjust
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CN108211304A
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A kind of volleyball service equipment for sport
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CN108357253A
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A kind of depositing dust type language teaching panel assembly
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CN108308857A
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A kind of Business Management Specialty desk for teaching device
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CN108323939A
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A kind of lifting type multimedia teaching books support device
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CN108590352A
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Pick-proof lock
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CN108122454A
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A kind of Livelihood cytometer of primary school easy to repair
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CN108177465A
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One kind can expanding type education and instruction auxiliary blank
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CN108159985A
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A kind of teaching chemical reagent mixing arrangement without stirring
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CN108097344A
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A kind of chemical experiment teaching is demonstrated with beaker to be pressed from both sides
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CN108144271A
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A kind of hand physical education special table tennis ball ball pick-up device
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CN108162642A
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It is a kind of that there is the teaching ruler of compasses-ruler
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CN108096785A
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One kind has lain on the back the training of seat initial stage with seat training device of having lain on the back
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