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)