Home / Standards / GB/T 39685-2020 GB/T 39685-2020 Active Test method for determining bonding strength of ceramic coatings 陶瓷覆层结合强度试验方法 Standard Type GBT ICS 81.060.30 CCS Q32 Status 现行 Issue Date 2020-12-14 Implementation 2021-07-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A