Home / Standards / JC/T 2092-2011 JC/T 2092-2011 Abolished 顶进施工法用钢筒混凝土管 Standard Type JC ICS N/A CCS N/A Status Abolished Issue Date 2011-12-20 Implementation 2012-07-01 Centralized Committee 工业和信息化部 Issuing Authority 工业和信息化部