China 'GB/T 40742.4-2021
' standard english version summary:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 40742.4-2021
Geometrical product specifications (GPS)—Geometrical precision verification—Part 4:Evaluation of dimension and geometrical error,discriminant pattern of minimum zone 产品几何技术规范(GPS) 几何精度的检测与验证 第4部分:尺寸和几何误差评定、最小区域的判别模式
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Implemented Date:
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The Standardization Administration of the People's Republic of China
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"GB/T 40742.4-2021" standard !
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Geometrical product specifications (GPS)—Geometrical precision verification—Part 4:Evaluation of dimension and geometrical error,discriminant pattern of minimum zone
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