Home / Standards / GB/T 8997-2008 GB/T 8997-2008 Active Calibration for alpha, beta and alpha/beta surface contamination meters and monitors α、β表面污染测量仪与监测仪的校准 Standard Type GBT ICS 13.280 CCS F84 Status 现行 Issue Date 2008-07-02 Implementation 2009-04-01 Responsible Dept 国家标准委 Drafting Unit N/A