Home / Standards / YS/T 285-1998 YS/T 285-1998 Abolished 铝电解用预焙阳极 Standard Type YS ICS N/A CCS N/A Status Abolished Issue Date 1999-01-11 Implementation 1999-06-01 Centralized Committee 国家有色金属工业局 Issuing Authority 国家有色金属工业局