GB/T 13163.2-2021
辐射防护仪器 氡及氡子体测量仪 第2部分:222Rn和220Rn测量仪的特殊要求
Radiation protection instrumentation—Radon and radon decay product measuring instruments—Part 2:Specific requirements for 222Rn and 220Rn measuring instruments
GBT13163.2-2021, GB13163.2-2021