4πβ(PC)--γ符合活度副基准操作技术规范
Operating Technical Norm of 4πβ(PC)-γ Coincidence Secondary Standard of Measuring Activity
标准状态
发布于:1990-01-01
实施于:1990-01-01
废止
基本信息
JJF 1337-1990
现行
1990-01-01
1990-01-01
国家市场监督管理总局
国家技术监督局
Operating Technical Norm of 4πβ(PC)-γ Coincidence Secondary Standard of Measuring Activity