on a two axis laufraedern equipped mobile linienstreichvorrichtung for playgrounds with a schwingbar aufgehaengten malrinne

• 1. device for limiting the rash of the axis of the treibraeder schwingbar aufgehaengten achsgehaeuses of motor vehicles [P] . 德国专利： DE000000488397A . 1929-12-27

  机译： 用于限制机动车辆横梁纵轴线的皮疹的装置

• 2. On an axis which is equipped with two running wheels mobile lines playgrounds apparatus for coating with a pivotable apart malr inner [P] . 德国专利： DE532950C . 1931-09-07

  机译： 在配备有两个行走轮的轴线上，移动式运动场游乐场设备用于涂覆可绕枢轴旋转的阳型内壁

• 3. ausgleichfederung for road vehicles with at schwinghebeln aufgehaengten laufraedern [P] . 德国专利： DE000001231578A . 1966-12-29

  机译： 带有摇臂悬挂轮的道路车辆的补偿悬挂

• 1. Texting while Parenting: How Adults Use Mobile Phones while Caring for Children at the Playground [C] . Alexis Hiniker, Kiley Sobel, Hyewon Suh, Annual CHI Conferenceon Human Factors in Computing Systems . 2015
• 2. Mobile docking of REMUS-100 equipped with USBL-APS to an unmanned surface vehicle: A performance feasibility study. [D] . Miranda, Mario, II. 2014
• 3. Parent Mobile Phone Use in Playgrounds: A Paradox of Convenience [O] . Keira Bury, Jonine Jancey, Justine E. Leavy 2020
• 4. The world as playground: Mobile Serious Games with Augmented Reality [O] . Klemke Roland 2015