Home / Standards / GB/T 3629-2017 GB/T 3629-2017 Active Tantalum and tantalum alloy sheet, strip and foil 钽及钽合金板材、带材和箔材 Standard Type GBT ICS 77.150.99 CCS H63 Status 现行 Issue Date 2017-10-14 Implementation 2018-05-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A