Home / Standards / GB/T 38063-2019 GB/T 38063-2019 Active Magnesium-lithium alloy sheets for aerospace 航空航天用镁锂合金板材 Standard Type GBT ICS 77.120.20 CCS H61 Status 现行 Issue Date 2019-10-18 Implementation 2020-09-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A