an anti-theft device for portable accessories to use bike or motorcycle, such as a helmet

• 1. 一种摩托车头盔防盗装置 [P] . 中国专利： CN101559796B . 2010.12.08
• 2. 一种摩托车头盔防盗装置 [P] . 中国专利： CN101559796A . 2009-10-21
• 3. an anti-theft device for anchoring the helmets of the handlebars of the motorcycle biker [P] . IT8714732V0 . 1987-07-23

  机译： 用于锚固摩托车骑手车把头盔的防盗装置

• 4. Anti-theft retainer for helmet on motorcycle - has flexible grid retained over helmet by metal rods attached to motorcycle [P] . 法国专利： FR2489775A1 . 1982-03-12

  机译： 摩托车头盔防盗固定器-通过连接至摩托车的金属杆将柔性网格固定在头盔上方

• 5. ANTITHEFT HANGING DEVICE INTEGRATED ON A MOTORCYCLE, SCOOTER OR BIKE HELMET OR ALL OTHER TYPES OF HELMETS [P] . 法国专利： FR3086846A1 . 2020-04-10

  机译： 集成在摩托车，踏板车或自行车头盔或所有其他类型头盔上的防盗悬挂装置

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• 7. The effects of dynamic friction in oblique motorcycle helmet impacts. [D] . Bonugli, Enrique. 2015
• 8. Development of an Objective Portable Measurement Device for Spinal Joint Accessory Motion Testing [O] . Hsiao-Kuan Wu, Hung-Jen Lai, Ting Teng, 2020
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• 10. I. Safety Belt Usage Among Drivers. II. Use of Child Restraint Devices, Passenger Safety Belts and Position of Passengers in Cars. III. Motorcycle Helmet Usage [R] . Phillips, B. M. 1980

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