Home / Standards / GB/T 4891-2008 GB/T 4891-2008 Active Choice of sample size for estimating the average quality of a lot or process 为估计批(或过程)平均质量选择样本量的方法 Standard Type GBT ICS 03.120.30 CCS A41 Status 现行 Issue Date 2008-07-28 Implementation 2009-01-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委