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CN112258905A
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Turnover adjusting device for installing electronic blackboard and using method
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CN112258990A
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Electronic blackboard assembly based on heat dissipation structure and control system
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CN112236021A
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Heat dissipation assembly for intelligent blackboard and use method of heat dissipation assembly
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CN112292008A
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Heat dissipation plate for intelligent blackboard and use method thereof
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CN112246712A
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Electronic blackboard assembly with self-cleaning structure and using method
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CN112123981A
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Quick wiping device for intelligent blackboard and use method
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CN112123976A
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Wisdom blackboard and control system based on infrared range finding
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CN112238430A
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Intelligent blackboard tooling table, control system and use method
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CN112276853A
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Mounting platform and method for mounting intelligent blackboard
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CN112158010A
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Intelligent blackboard writing blackboard eraser erasing and collecting integrated device
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CN112205747A
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Liftable multimedia platform is used in wisdom teaching
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CN112162643A
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Folding storage type keyboard
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CN112188026A
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High appearance subassembly of clapping based on wisdom blackboard
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CN112203180A
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Smart classroom loudspeaker headset self-adaptive volume adjusting system and method
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CN112190047A
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Adjustable installation assembly for intelligent blackboard
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CN112198447A
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Special stores pylon system of tablet aging characteristic detection in electron class
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CN112178421A
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Movable camera for classroom
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CN112190046A
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Auxiliary stand is used in installation of wisdom blackboard
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CN112102761A
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Wisdom blackboard ageing properties detects uses rack
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CN112162642A
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Combined control keyboard based on folding structure
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