Home / Standards / HG/T 2834-1997 HG/T 2834-1997 Abolished 软磁铁氧体用氧化锌 Standard Type HG ICS N/A CCS N/A Status Abolished Issue Date 1997-02-04 Implementation 1997-10-01 Centralized Committee 化学工业部 Issuing Authority 化学工业部