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[门窗玻璃]BS 6375-2-1987 Performance of windows - Specification for operation and strength characteristics 10-14 20:03:17 |
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[通用标准]BS EN 12056-5-2000 建筑物内部的自流排水系统.安装、检验、使用说明、维修和使用(Gravity drainage systems inside buildings - Installation and testing, instructions for operation, maintenance and use) 10-13 00:05:27 |