Home / Standards / GB/T 38944-2020 GB/T 38944-2020 Active Non-destructive testing—Testing method of small-angle neutron scattering 无损检测 中子小角散射检测方法 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2020-06-02 Implementation 2021-01-01 Responsible Dept 国家标准委 Drafting Unit N/A