Home / Standards / GBT 39166-2020 GBT 39166-2020 Mechanical peel testing method for resistance spot, projection, and seam welded joints 电阻点焊、凸焊及缝焊接头的机械剥离试验方法 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