Home / Standards / HG/T 2589-1994 HG/T 2589-1994 Abolished 媒介黑2B(酸性媒介黑T) Standard Type HG ICS N/A CCS N/A Status Abolished Issue Date 1994-12-01 Implementation 1994-03-09 Centralized Committee 化学工业部 Issuing Authority 化学工业部