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US07651110B2 Bicycle having multiple tube frame structure 失效
具有多个管架结构的自行车

Bicycle having multiple tube frame structure
摘要:
A structure for a bicycle frame system is described by using multiple composite tubes bonded to one another, wherein apertures, or “ports,” are molded between the tubes to improve the stiffness, strength, aerodynamics and comfort of bicycle frame component.
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