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| QB/T 1512-2011 Sewing machine partsSize limit of not note tolerances (English Version) |
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Introduction of QB/T 1512-2011
本标准规定了缝纫机零件图样上未注公差的线性尺寸、角度尺寸和零件组装后再经机械加工形成的线性或角度尺寸的极限偏差。
本标准适用于缝纫机零件切削加工的尺寸，也适用于非切削加工的尺寸。
Contents of QB/T 1512-2011