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Norm

ISO 128-21:1997

Issue date: 1997 02 27

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

Specifies procedures for the calculation of the most important basic types of non-continuous lines according to ISO 128-20 and their line elements.
Withdrawn: 2020 07 08

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

ISO 128-2:2022
2022 10 07
Technical product documentation (TPD) — General principles of representation — Part 2: Basic convent...
Norm
ISO 128-2:2020
2020 07 08
Technical product documentation (TPD) — General principles of representation — Part 2: Basic convent...
Norm
ISO 128-21:1997
1997 02 27
Technical drawings — General principles of presentation — Part 21: Preparation of lines by CAD syste...
Norm
ISO 128:1982
1982 07 01
Technical drawings — General principles of presentation
Norm
ISO/R 128:1959
1959 09 01
Withdrawal of ISO/R 128-1959
Technische Regel
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Norm
ISO 128-2:2020
Issue date : 2020 07 08
Technical product documentation (TPD) — General principles of representation — Part 2: Basic conventions for lines