Home / Standards / GB/T 37983-2019 GB/T 37983-2019 Active Testing methods of X-ray diffraction for determining the orientation of crystal materials by rotation 晶体材料X射线衍射仪旋转定向测试方法 Standard Type GBT ICS 71.040.99 CCS N50 Status 现行 Issue Date 2019-08-30 Implementation 2020-03-01 Responsible Dept 科技部 Drafting Unit N/A