Home / Standards / HG/T 4251-2011 HG/T 4251-2011 Active 酸性艳黄P-2GL(C.I.酸性黄79) Standard Type HG ICS N/A CCS N/A Status Active 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