Home / Standards / GB/T 39158-2020 GB/T 39158-2020 Active High purity copper rotatable tube target for flat panel display 平面显示用高纯铜旋转管靶 Standard Type GBT ICS 77.150.30 CCS H62 Status 现行 Issue Date 2020-11-19 Implementation 2021-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A