Home / Standards / GBT 228.3-2019 GBT 228.3-2019 Metallic materials — Tensile testing — Part 3: Method of testing at low temperature 金属材料 拉伸试验 第3部分:低温试验方法 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