ISO 128-21:1997 Technical drawings — General principles of presentation — Part 21: Preparation of lines by CAD systems

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Specifies procedures for the calculation of the most important basic types of non-continuous lines according to ISO 128-20 and their line elements.
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Status: Active ChangeNumber: 1 InternationalClassificationCodeOfStandards: 35.240.10 TechnicalCommittee: ISO/TC 10/SC 1 ActivatedDate: 08.07.2020 PagesCount: 12 Language: en

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