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GB/Z 26958.22-2011
产品几何技术规范（GPS） 滤波 第22部分:线性轮廓滤波器 样条滤波器
Geometrical Product Specifications (GPS) - Filtration - Part 22: Linear profile filters : Spline filters
GB/Z 26958.31-2011
产品几何技术规范（GPS） 滤波 第31部分:稳健轮廓滤波器 高斯回归滤波器
Geometrical Product Specifications (GPS) - Filtration - Part 31: Robust profile filters - Gaussian regression filters
GB/T 5158.2-2011
金属粉末 还原法测定氧含量 第2部分:氢还原时的质量损失（氢损）
Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction(hydrogen loss)
GB/T 5158.3-2011
Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen
GB/T 4698.2-2011
Methods for chemical analysis of titanium sponge,titanium and titanium alloys - Determination of iron content
GB/T 4698.14-2011
Methods for chemical analysis of titanium sponge,titanium and titanium alloys - Determination of carbon content
GB/T 27746-2011
Technical specification for metal oxide varistors（MOV）used in low-voltage apparatus
GB/T 24795.2-2011
Rotary shaft lip seals for commercial vehicle axle - Part 2: Performance test procedures