Home / Standards / GB/T 2689.4-1981 GB/T 2689.4-1981 Active Life test and acceleration life test--Optimal linear deflection-free--Evaluation of Weibull distributions 寿命试验和加速寿命试验的最好线性无偏估计法(用于威布尔分布) Standard Type GBT ICS 31.020 CCS L05 Status 现行 Issue Date 1981-06-22 Implementation 1981-10-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A