Home / Standards / GB/T 41338-2022 GB/T 41338-2022 Active Tungsten and tungsten alloy powder for additive manufacturing 增材制造用钨及钨合金粉 Standard Type GBT ICS 77.160;25.030 CCS H71 Status 现行 Issue Date 2022-03-09 Implementation 2022-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A