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建设部１９９７年度科技推广项目介绍（３）钢筋混凝土保护层定位卡（９７０１３）技术依托单位：青岛市建委科技设计管理处，青岛市建筑工程质量监督站针对钢筋位移、钢筋保护层厚度不均等建筑施工质量通病而研制开发了塑料钢筋保护层定位卡。该定位卡的尺寸数据根据国家...
Ministry of Construction 1997 Introduction to Science and Technology Promotion Project (3) Reinforced Concrete Protective Floor Locating Card (97013) Technical Support Unit: Qingdao Municipal Construction Committee Scientific and Technological Design Management Office, Qingdao Construction Engineering Quality Supervision Station for Reinforced Steel Displacement, Reinforced Concrete Layer Thickness, and Others The quality of the construction was flawed and a plastic reinforcing bar positioning card was developed. The positioning card size data according to the country ...