device for skis to prevent slippage of the raid and the decline to the rise

• 1. 用于在绳上爬升和下降的上升器/下降器设备 [P] . 中国专利： CN102407005B . 2015.06.03
• 2. 用于在绳上爬升和下降的上升器/下降器设备 [P] . 中国专利： CN102407005A . 2012-04-11
• 3. Device for preventing backward slippage of cross-country ski [P] . 美国专利： US5221104A . 1993-06-22

  机译： 防止越野滑雪向后滑动的装置

• 4. manufacturing method and device for preventing slippage of preventing slippage [P] . 日本专利： JPWO2012165404A1 . 2015-02-23

  机译： 防止打滑的制造方法及装置

• 5. device to prevent the drop of a ski to the rise. [P] . 瑞士专利： CH194481A . 1937-12-15

  机译： 防止滑雪板下降到上升的装置。

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• 6. The age-related performance decline in marathon cross-country skiing – the Engadin Ski Marathon [O] . Nikolaidis, Pantelis Theodoros, Knechtle, Beat 2018

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