You're looking for information on the ISO 14978 standard, specifically in PDF format. Here is some general information on the topic:

ISO 14978 is an international standard for "Geometric tolerancing - Positional tolerancing". It was published by the International Organization for Standardization (ISO) and provides guidelines for specifying and interpreting positional tolerances in technical drawings.

The standard ISO 14978 deals with the tolerancing of features of size, location, and orientation. It provides a method for specifying the permissible variation of the position of a feature (such as a hole, shaft, or surface) relative to a datum (a reference point or surface).

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