Home / Standards / QC/T 869-2011 QC/T 869-2011 Abolished 短周期弧焊焊接螺柱 Standard Type QC ICS N/A CCS N/A Status Abolished Issue Date 2011-12-20 Implementation 2012-07-01 Centralized Committee 工业和信息化部 Issuing Authority 工业和信息化部