CN104722346A
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Adjustable support used for chemical experiment
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CN104720410A
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Heating seat used for laboratory
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CN104720296A
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Multimedia platform with pop-up electronic clock
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CN104720292A
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Platform with healthcare function
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CN104723764A
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Whiteboard eraser with ruler
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CN104731306A
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Tongue controlling directional keyboard
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CN104720294A
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Digital platform with mosquito repelling device
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CN104723746A
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Drawing board with abacus and lamp
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CN104728863A
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Auto-igniting rechargeable lighter
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CN104723761A
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Dustproof blackboard eraser with sucker
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CN104722350A
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Multifunctional experiment platform
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CN104720295A
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Teacher's desk with multifunctional support
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CN104722343A
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Adjustable bracket applied to chemical experiments
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CN104732731A
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Electronic smoking banning device
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CN104723763A
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Ink-proof whiteboard eraser
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CN104732819A
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Rapid reading and shorthand training device
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CN104723742A
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Whiteboard marker pen with laser lamp
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CN104722345A
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Height-adjustable support used for chemical experiment
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CN104720492A
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Three-proofing spoon
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CN104732809A
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Novel literacy board
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