Home / Standards / HG/T 4254-2011 HG/T 4254-2011 Active 酸性深棕NM-RL(C.I.酸性棕355) 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