枢轴铰链|沙特标准|SASO-CEN-13126-9

　　fittings for windows and ،Building hardware door height windows – Requirements and test methods – Part 9: Pivot hinges

　　窗户和建筑五金门窗配件.要求和试验方法.第9部分：枢轴铰链

　　Technical Regulation for doors,windows,and accessories