Home / Standards / GBT 7732-2008 GBT 7732-2008 Metallic materials — Fracture toughness test method for surface crack tensile specimens 金属材料 表面裂纹拉伸试样断裂韧度试验方法 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