The trailer has arrow not equiped of a front axle self - direction in order to forward and rear of the marketing authorisation holder

• 1. 具有防伪防未授权开启功能的瓶盖智能锁及开启方法 [P] . 中国专利： CN109448201A . 2019-03-08
• 2. 具有防伪防未授权开启功能的瓶盖智能锁 [P] . 中国专利： CN209056000U . 2019-07-02
• 3. Device for a progressive change of speed with the marketing authorisation holder - front and rear of the marketing authorisation holder - without the clutch [P] . 法国专利： FR768642A . 1934-08-10

  机译： 带有销售授权持有人的变速装置-营销授权持有人的前后-不带离合器

• 4. The control of a helix for a marketing authorisation holder - front and rear of the marketing authorisation holder - [P] . 法国专利： FR533530A . 1922-03-04

  机译： 营销授权持有人的螺旋控制-营销授权持有人的前后-

• 5. Motor of the agricultural to trailer in which the mechanism for changing speed is disposed to the forward and to the rear of the marketing authorisation holder [P] . 法国专利： FR528413A . 1921-11-12

  机译： 农用到挂车的电动机，其中变速机构位于行销授权持有人的前后

• 1. Tube necking extrusion principle and forming process of trailer rear axle [C] . Chunguo Xu, Guangsheng Ren, Yongqiang Guo International Conference on Technology of Plasticity . 2014
• 2. Additional Risk Minimisation Measures for Medicinal Products in the European Union: A Review of the Implementation and Effectiveness of Measures in the United Kingdom by One Marketing Authorisation Holder [O] . Elaine Agyemang, Lorna Bailey, John Talbot -1
• 3. Wind tunnel experiment on a heavy truck equipped with front-rear trailer device [O] . Luigi Salati, Paolo Schito, Federico Cheli 2017