Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 39741.2-2021 |
Plain bearings—Tolerances—Part 2:Tolerances on geometrical characteristics and surface roughness for shafts and thrust collars 滑动轴承 公差 第2部分:轴和止推轴肩的几何公差及表面粗糙度 |
China National Standards 2:Tolerances |
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GB/T 15054.2-2018 |
Miniature screw threads—Part 2:Tolerances and limits of size 小螺纹 第2部分:公差和极限尺寸 |
China National Standards 2:Tolerances |
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