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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 39959-2021 |
Liquid pumps and pump units -- Noise test code -- Grades 2 and 3 of accuracy 液体泵和泵机组 噪声试验方法 2级和3级 |
China National Standards Test code accuracy |
 English PDF |
| GB/T 17421.7-2016 |
Test code for machine tools—Part 7: Geometric accuracy of axes of rotation 机床检验通则 第7部分：回转轴线的几何精度 |
China National Standards Test code accuracy |
English PDF |
| GB/T 17421.6-2016 |
Test code for machine tools—Part 6: Determination of positioning accuracy on body and face diagonals(Diagonal displacement tests) 机床检验通则 第6部分：体和面对角线位置精度的确定（对角线位移检验） |
China National Standards Test code accuracy |
English PDF |
| GB/T 17421.2-2016 |
Test code for machine tools—Partie 2: Determination of accuracy and repeatability positioning numerically controlled axes 机床检验通则 第2部分：数控轴线的定位精度和重复定位精度的确定 |
China National Standards Test code accuracy |
English PDF |
| GB/T 5390-2013 |
Forestry and garden machinery―Noise test code for portable hand-held machines with internal combustion engine―Engineering method（Grade 2 accuracy） 林业及园林机械 以内燃机为动力的便携式手持操作机械噪声测定规范 工程法(2级精度) |
China National Standards Test code accuracy |
English PDF |
| GB/T 10923-2009 |
Test code of accuracy for metalforming machine 锻压机械 精度检验通则 |
China National Standards Test code accuracy |
English PDF |
| GB/T 17421.2-2000 |
Test codefor machine tools--Part 2:Determination of accuracy and repeatability of positioning numerically controlled axes 机床检验通则 第2部分:数控轴线的定位精度和重复定位精度的确定 |
China National Standards Test code accuracy |
English PDF |
| GB/T 17421.1-1998 |
Test code for machine tools--Part 1:Geometric accuracy of machines operating under no-loador finishing conditions 机床检验通则 第1部分:在无负荷或精加工条件下机床的几何精度 |
China National Standards Test code accuracy |
English PDF |
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