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BS EN 124-1994 - 道客巴巴 BS EN 124-1994 中文版 车辆和行人道区域的排水沟盖和人孔盖设计要求、型号试验、标志、质量控制 星级: 24 页 DB64╱T 124-1994 大白菜品种津青九号
BS EN 124-1 2015 - 道客巴巴 内容提示: BSI Standards PublicationBS EN 124-1:2015Gully tops and manhole tops for vehicular and pedestrian areasPart 1: Definitions, classification,general principles of design,performance requirements and test methods
(高清正版) BS EN 124-4 2015 中文版英文版 - 道客巴巴 BS EN 124-4 2015 中文版英文版 下载积分: 3100 内容提示: BSI Standards PublicationBS EN 124-4:2015Gully tops and manhole topsfor vehicular and pedestrianareasPart 4: Gully tops and manhole tops madeof steel reinforced concrete