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60Coγ射线石墨吸收剂量量热计基准操作技术规范

O.T.N. of Primary Standard for 60Co γ Ray Graphite Absorption Dosimetric Caborimeter
标准号:JJF 1348-1990
O.T.N. of Primary Standard for 60Co γ Ray Graphite Absorption Dosimetric Caborimeter
标准号:JJF 1348-1990