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GB/T 5080.4-1985
设备可靠性试验 可靠性测定试验的点估计和区间估计方法 （指数分布）
Equipment reliability testing--Procedure for point estimates and confidence intervals from reliability determination tests(Exponential distribution)
GB/T 6730.57-2004
Iron ores--Determination of chromium content--Flame atomic absorption spectrometric method
GB/T 5594.2-1985
电子元器件结构陶瓷材料性能测试方法 杨氏弹性模量、泊松比测试方法
Test methods for properties of structure ceramic used in electronic components--Test method for Youngs elastic modulus and Poisson ratio
GB/T 3840-1991
Technical methods for making local emission standards of air pollutants
GB/T 3668.9-1983
Modular units for machine tool construction--Spindle units--Dimensions
GB/T 3668.10-1983
Modular units for machine tool construction--Spindle noses and adjustable adaptors for multi-spindle heads--Dimensions
GB/T 3668.11-1983
Modular units for machine tool construction--Integral way columns--Dimensions
GB/T 3098.13-1996
紧固件机械性能 螺栓与螺钉的扭矩试验和破坏扭矩公称直径1～10mm
Mechanical properties of fasteners--Torsional test and minimum torques for bolts and screws with nominal diameters from 1mm to 10mm