ISO/CD 20223

Technical product documentation (TPD) --Representation and identification of situation features ISO/CD 20223

Scope

This document defines how to represent and uniquely identify by an alpha-numerical label the situation features of an integral surface or a collection of integral surfaces of a part, and how to indicate it in a technical product documentation (drawing), if needed to improve human readability.

The proportions and dimensions of the graphical symbols to be used are also specified.