Home / Standards / HG/T 2246-1991 HG/T 2246-1991 Abolished 各色硝基铅笔底漆 Standard Type HG ICS N/A CCS N/A Status Abolished Issue Date 1991-11-12 Implementation 1992-07-01 Centralized Committee 化学工业部 Issuing Authority 化学工业部