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CN107146498A
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A kind of bioconversion medium sample exhibiting device
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CN107121879A
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A kind of projecting apparatus of convenient dismounting
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CN107144956A
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A kind of teaching biomicroscope for possessing projecting function
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CN107144953A
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A kind of biological teaching microscope
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CN107125927A
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A kind of Multi-media teaching platform of top-adjustable gradient
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CN107149954A
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One kind can self-holding physical and chemical experiment iron stand
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CN107149952A
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A kind of chemical experiment teaching alcolhol burner iron stand
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CN107170325A
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A kind of small multimedia teaching facility of area occupied
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CN107154176A
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A kind of multimedia teaching facility for being capable of comprehensive displaying
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CN107136754A
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A kind of multimedia teaching facility dais
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CN107146511A
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Photosynthesis experimental provision is used in one kind teaching
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CN107154183A
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A kind of multimedia teaching facility of convenient use
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CN107138195A
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A kind of Miniature chemical experimental instrument for middle school
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CN107145030A
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A kind of projecting apparatus for possessing elevating function
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CN107149950A
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A kind of chemical reaction water knockout drum
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CN107146477A
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A kind of multimedia teaching facility
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CN107145031A
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A kind of Height Adjustable multimedia teaching facility
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CN107214126A
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A kind of chemistry teaching instrument cleaning device
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CN107126992A
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A kind of Height Adjustable chemical test workbench
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CN107134197A
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A kind of adjustable display device for biological teaching
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