Standard specification for resilient connectors between reinforced concrete manhole structures , pipes and laterals 钢筋混凝土制检查孔污水管和横向排水沟间弹性接头的标准规范
Standard specification for resilient connectors between reinforced concrete manhole structures , pipes , and laterals metric 钢筋混凝土制检查孔污水管和横向排水沟间弹性接头的标准规范
Standard specification for storm drain resilient connectors between reinforced concrete storm sewer structures , pipes , and laterals 加筋混凝土暴雨排水沟设施管道和横向排水沟间的排水沟回弹性连接件的标准规范
Standard specification for storm drain resilient connectors between reinforced concrete storm sewer structures , pipes , and laterals metric 加筋混凝土排暴雨污水结构管道和横向排水沟间的暴雨排水沟弹性连接件标准规范