ISO 128-21:1997

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

95.99 Withdrawal of Standard Jul 8, 2020

General information

Current stage: 95.99 Effective date: Jul 8, 2020

Originator: ISO

Owner: ISO/TC 10/SC 1

Type: International Standard

ICS: 01.100.01 35.240.10

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

PREVIOUSLY

Revises
ISO 128:1982

NOW

WITHDRAWN
ISO 128-21:1997
95.99 Withdrawal of Standard
Jul 8, 2020

REVISED BY

PUBLISHED
ISO 128-2:2020

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