Home / Standards / GB/T 14594-2014 GB/T 14594-2014 Active Oxygen-free copper sheets and strips for vacuum electron devices 电真空器件用无氧铜板和带 Standard Type GBT ICS 77.150.30 CCS H62 Status 现行 Issue Date 2014-12-05 Implementation 2015-05-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A