Home / Standards / GBT 39165-2020 GBT 39165-2020 Test methods for peel and chisel testing of resistance spot and projection welds 电阻点焊及凸焊接头的剥离和凿离试验方法 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