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US09428243B2 Mini standing hand powered tricyle 有权
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Mini standing hand powered tricyle
摘要:
A mini standing hand powered tricycle for sidewalks, indoor large surfaces, etc. conceived for users, with weak legs and strong arms that get tired walking. The tricycle is propulse by a conventional bicycle hand pedal sprocket wheel and chain to allow driving, steering, and braking by the user in a standing position.
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