The invention relates to a vehicle duct, which comprises an inner tube, wherein the inner tube comprises a plurality of spiral convex parts which spirally extend and are convexly arranged on the outerperipheral surface of the inner tube, the plurality of spiral convex parts are arranged at intervals, and a spiral concave part is defined between two adjacent spiral convex parts of the plurality ofspiral convex parts.
本发明关于一种车辆用导管,包括:一内管,包括复数螺旋地延伸凸设于该内管的外周面的旋凸部,该复数旋凸部相间隔设置,且该复数旋凸部的相邻二者之间界定一旋凹部。
Vehicle duct
车辆用导管
2021-01-12
Patent
Electronic Resource
Chinese
IPC: | B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS |
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