单轴铰链|沙特标准|SASO-EN-1935
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单轴铰链|沙特标准|SASO-EN-1935
Building hardware-Single-axishinges-Requirements and testmethods
建筑五金.单轴铰链.要求和试验方法
Technical Regulation for doors,windows,and accessories
Building hardware-Single-axishinges-Requirements and testmethods
建筑五金.单轴铰链.要求和试验方法
Technical Regulation for doors,windows,and accessories
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