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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| QB/T 4299-2012 |
Testing method of relative tolerance of sewing machine forward and backward stitch length 工业用缝纫机 倒、顺缝纫线迹长度相对误差试验方法 |
China Light Industry
Standards Testing method relative |
 English PDF |
| QB/T 4298-2012 |
Testing method of relative tolerance of sewing machine high and low speed stitch length 工业用缝纫机 高、低速缝纫线迹长度相对误差试验方法 |
China Light Industry
Standards Testing method relative |
English PDF |
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