可变几何撑杆铰链|沙特标准|SASO-EN-13126-6

  可变几何撑杆铰链|沙特标准|SASO-EN-13126-6
  
  SASO-EN-13126-6
  
  Building hardware – Requirements and test methods for windows and doors height windows – Part 6: Variable geometry stay hinges (with or without a friction stay)
  
  建筑硬件-门窗高度窗的要求和测试方法-第6部分:可变几何撑杆铰链(带或不带摩擦撑杆)

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