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| International Standard Category: Linear and angular measurements in general |
GB/T 157-2001 Geometrical product specifications (GPS) Series of conical tapers and taper angles
产品几何量技术规范（GPS）圆锥的锥度与锥角系列 ;
| Category No.: | 17.040.01 | Valid Status: | valid |
| Issued Organization: | AQSIQ | Issued Date: | 2001-09-01 |
| Implemented Date: | 2002-4-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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