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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 4019.2-1997 |
Box type vertical drilling machines--Testing of the accuracy--Part 2:Working tests 方柱立式钻床 精度检验 第2部分:工作精度检验 |
China National Standards Box type vertical |
 English PDF |
| GB/T 4019.1-1997 |
Box type vertical drilling machines--Testing of the accuracy--Part 1:Geometrical tests 方柱立式钻床 精度检验 第1部分:几何精度检验 |
China National Standards Box type vertical |
English PDF |
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