Geometrical Product Specifications(GPS)—Geometrical tolerancing—Datums and datum system
MOD ISO 5459:1981
全国产品几何技术规范标准化技术委员会
本标准规定了几何公差的基准和基准体系的定义、在技术图样上的标注和在实际应用中的体现方法。
本标准适用于采用模拟基准要素和基准要素的拟合要素建立基准的基本规则。
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