Home / Standards / GB/T 39325-2020 GB/T 39325-2020 Active Specification for radiation shielding of superconducting proton cyclotron 超导回旋质子加速器辐射屏蔽规范 Standard Type GBT ICS 27.120.99 CCS F91 Status 现行 Issue Date 2020-11-19 Implementation 2021-06-01 Responsible Dept 国家标准委 Drafting Unit N/A