Home / Standards / GBT 12467.4-2009 GBT 12467.4-2009 Quality requirements for fusion welding of metallic materials — Part 4: Basic quality requirements 金属材料熔焊质量要求 第4部分:基本质量要求 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A