Home / Standards / YS/T 623-2012 YS/T 623-2012 Abolished 铝电解用石墨质阴极炭块 Standard Type YS ICS N/A CCS N/A Status Abolished Issue Date 2012-12-28 Implementation 2013-06-01 Centralized Committee 工业和信息化部 Issuing Authority 工业和信息化部