Home / Standards / GB/T 4885-2009 GB/T 4885-2009 Active Lower confidence limit of reliability for complete sample from normal distribution 正态分布完全样本可靠度置信下限 Standard Type GBT ICS 03.120.30 CCS A41 Status 现行 Issue Date 2009-10-15 Implementation 2010-02-01 Responsible Dept 国家标准委 Drafting Unit N/A