标准编号：ISO 5459:2011
中文名称：产品几何量技术规范（GPS） 几何公差 基准和基准体系
英文名称：Geometrical product specifications (GPS) — Geometrical tolerancing — Datums and datum systems
发布日期：2011-08
标准范围
This International Standard specifies terminology, rules and methodology for the indication and understanding of datums and datum systems in technical product documentation. This International Standard also provides explanations to assist the user in understanding the concepts involved.This International Standard defines the specification operator (see ISO 17450-2) used to establish a datum or datum system. The verification operator (see ISO 17450-2) can take different forms (physically or mathematically) and is not the subject of this International Standard.NOTE The detailed rules for maximum and least material requirements for datums are given in ISO 2692.
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