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A kind of multifunctional safe bench for chemistry experiment
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A kind of multi-function experimental rig
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A kind of Multifunctional liftable blackboard
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A kind of multi-functional lectern of teacher
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A kind of teacher's Multifunctional blackboard device
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A kind of novel teaching table
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A kind of teacher's lectern
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A kind of new-type teaching Portable multifunctional Dual-side blackboard
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A kind of anti-plagiarism desk of new-type teaching Multifunctional examination
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A kind of new-type extendible multi-functional school instruction seat
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A kind of multi-functional teacher's instructional device
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A kind of desk for teaching of the convenient movement of new-type double-form
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CN108725039A
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A kind of removable blackboard for teaching of new-type imitative spider flexibility
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CN108688376A
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A kind of new-type foldable turnable teaching mobile blackboard
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A kind of teachers ' teaching multi-functional blackboard of new-type page-turnable
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