旋转门用电动保持开启装置|沙特标准|SASO-EN-1155
建筑五金.旋转门用电动保持开启装置.要求和试验方法
SASO-EN-1155
Building hardware – Electrically powered hold-open devices for swing doors – Requirements and test methods
旋转门用电动保持开启装置|沙特标准|SASO-EN-1155
建筑五金.旋转门用电动保持开启装置.要求和试验方法
SASO-EN-1155
Building hardware – Electrically powered hold-open devices for swing doors – Requirements and test methods
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