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| International Standard Category: Numerically controlled machines |
GB/T 17421.4-2003 Test code for machine tools - Part 4: Circular tests for numerically controlled machine tools
机床检验通则 第4部分：数控机床的圆检验;
| Category No.: | 25.040.20 | Valid Status: | superseded |
| Issued Organization: | AQSIQ | Issued Date: | 2003-1-1 |
| Implemented Date: | 2004-6-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 17421.4-2016 Test code for machine tools—Part 4: Circular tests for numerically controlled machine tools |
Superseded Date: | 2016-11-1 |
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