Home / Standards / GB/T 38526-2020 GB/T 38526-2020 Active Titanium tubes for aerospace propulsion system 航天推进系统钛管材 Standard Type GBT ICS 77.150.50 CCS H64 Status 现行 Issue Date 2020-03-06 Implementation 2021-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A