Home / Standards / GB/T 11836-2009 GB/T 11836-2009 Abolished Concrete and reinforced concrete sewer pipes 混凝土和钢筋混凝土排水管 Standard Type GBT ICS 91.100.30 CCS Q14 Status 废止 Issue Date 2009-03-09 Implementation 2009-11-05 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A