Home / Standards / JC/T 621-2009 JC/T 621-2009 Abolished 硅酸盐建筑制品用生石灰 Standard Type JC ICS N/A CCS N/A Status Abolished Issue Date 2009-12-04 Implementation 2010-06-01 Centralized Committee 工业和信息化部 Issuing Authority 工业和信息化部