Hub by direct bearings for bicycles, bicycles of children, toys, sportsmen, and similar articles, push-chairs, cars of children, bicycles inexpensive for adults, etc.

• 1. 儿童自行车座椅和组装儿童自行车座椅的方法 [P] . 中国专利： CN113104142A . 2021-07-13
• 2. 一种儿童自行车的辅助轮杆组件及具有其的儿童自行车 [P] . 中国专利： CN212921818U . 2021-04-09
• 3. Hub by direct bearings for bicycles, bicycles of children, toys, sportsmen, and similar articles, push-chairs, cars of children, bicycles inexpensive for adults, etc. [P] . 法国专利： FR1126697A . 1956-11-28

  机译： 通过自行车，儿童自行车，玩具，运动员和类似物品，手推车，儿童汽车，成人廉价自行车等的直接轴承轮毂。

• 4. Hub for wheels of vehicles of children, and toys of children, such that a bicycle, a tricycle, scooters, etc. [P] . 法国专利： FR777010A . 1935-02-09

  机译： 儿童汽车轮毂和儿童玩具轮毂，如自行车，三轮车，踏板车等。

• 5. Improvements made to the hubs to the wheels of bicycles, cars or other similar articles of children [P] . 法国专利： FR682184A . 1930-05-23

  机译： 对自行车，汽车或其他类似儿童物品的轮毂的改进

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• 5. School based bicycle safety education and bicycle injuries in children: a case-control study [O] . J. Carlin, P. Taylor, T. Nolan 1998
• 6. Bicycling for ladies : with hints as to the art of wheeling, advice to beginners, dress, care of the bicycle, mechanics, training, exercise, etc., etc [O] . Maria E Ward 1896

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