Home / Standards / GB/T 139-2008 GB/T 139-2008 Active Standard method for using the ferrous sulfat (fricke) dosimeter to measure absorbed dose in water 使用硫酸亚铁剂量计测量水中吸收剂量的标准方法 Standard Type GBT ICS 17.240 CCS A58 Status 现行 Issue Date 2008-09-19 Implementation 2009-08-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委