Home / Standards / GB/T 22082-2008 GB/T 22082-2008 Abolished Reinforced concrete segments 预制混凝土衬砌管片 Standard Type GBT ICS 91.100.40 CCS Q14 Status 废止 Issue Date 2008-06-30 Implementation 2009-04-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A