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ISO 128-21:1997Withdrawn

Technical drawings — General principles of presentation — Part 21: Preparation of lines by CAD systems

Dessins techniques — Principes généraux de représentation — Partie 21: Préparation des traits par systèmes de CAO

Abstract / scope

Specifies procedures for the calculation of the most important basic types of non-continuous lines according to ISO 128-20 and their line elements.

Life cycle

Replaces

ISO 128:1982WithdrawnTechnical drawings — General principles of presentationInternational Standard · Published 1 Jul 1982 · ISO/TC 10/SC 1

Replaced by

ISO 128-2:2020WithdrawnTechnical product documentation (TPD) — General principles of representation — Part 2: Basic conventions for linesInternational Standard · Published 8 Jul 2020 · ISO/TC 10