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A kind of air floating platform and Interactive Experience device
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A kind of interactive exhibition system
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A kind of foot-operated seat system
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A kind of interaction display device
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A kind of disk catapult-launching gear
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A kind of interaction display device
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A kind of image-text panel shows device
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Long March II F type rocket display structures and methods of exhibiting
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Rocket launching apparatus for demonstrating and demenstration method
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A kind of reduction gearing taxi toy models
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Remote control system and method of science popularization exhibit
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