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| International Standard Category: Machining centres |
GB/T 20957.2-2007 Test conditions for machining centres—Part 2: Geometric tests for machines with vertical spindle or universal heads with vertical primary rotary axis (vertical Z-axis)
精密加工中心检验条件 第2部分：立式或带垂直主回转轴的万能主轴头机床 几何精度检验(垂直Z轴);
| Category No.: | 25.040.10 | Valid Status: | valid |
| Issued Organization: | AQSIQ;SAC | Issued Date: | 2007-7-30 |
| Implemented Date: | 2007-11-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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