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