CONNECTION FOR SELF-ADJUSTMENT OF STAIRS HEIGHT AT STRAIGHT, ROUND AND SPIRAL STAIRWAYS

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  机译： 直，圆和螺旋楼梯的高度自动调整的连接

• 4. Rhomboid connection in order to achieve self-adjustment of the risers in the case of straight, wend lungs - or. Coil - and the spindle stairs [P] . 德国专利： DE8500624U1 . 1985-04-25

  机译： 菱形连接，以便在直管，编织肺的情况下实现立管的自我调节-或。线圈-和主轴楼梯

• 5. CONSTRUCTION METHOD FOR SPIRAL STAIRWAY, SPIRAL STAIRWAY, AND TREAD FOR SPIRAL STAIRWAY [P] . 日本专利： JP2002332734A . 2002-11-22

  机译： 螺旋楼梯，螺旋楼梯和螺旋楼梯的踏板的施工方法

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• 5. And She’s Buying a Stairway to Health: Signs and Participant Factors Influencing Stair Ascent at a Public Airport [O] . John Bellettiere, Sandy Liles, Yael BenPorat, 2017
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