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Turning restriction device for a handle
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Crank fastening device for a toddler's tricycle
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Coaxial structure for a wheel set
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Wheel set with a decorative lamp structure
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Wheel set
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Wheel set
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Skate wheel structure
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Structure of multiple wheel bodies integrated with an axial base
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Coaxial structure of auxiliary wheels and a primary wheel
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Wheel structure
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Folding structure for a scooter
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Scooter folding structure
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Fastening structure for a scooter
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