Home / Standards / HG 2285-1992 HG 2285-1992 Active 还原黄5RC超细粉(还原黄G超细粉) Standard Type HG22 ICS N/A CCS N/A Status Active Issue Date 1992-06-01 Implementation 1993-01-01 Centralized Committee 化学工业部 Issuing Authority 化学工业部