Home / Standards / GB/T 27411-2012 GB/T 27411-2012 Active Routine methods for evaluation and expression of measurement uncertainty in testing laboratory 检测实验室中常用不确定度评定方法与表示 Standard Type GBT ICS 19.020 CCS B04 Status 现行 Issue Date 2012-12-31 Implementation 2013-07-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委