Home / Standards / GBT 22639-2022 GBT 22639-2022 Test method for exfoliation corrosion of aluminium alloy products 铝合金产品的剥落腐蚀试验方法 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