BS ISO 128-21:1997被替代
Technical Drawings - General Principles Of Presentation - Part 21: Preparation Of Lines By Cad Systems
出版：British Standards Institution
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基本信息
标准编号： BS ISO 128-21:1997
发布时间：2000/7/15 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：12
标准简介
Defines procedures for calculating important basic types of non-continuous lines and their line elements. (see ISO 128-20).
标准备注
© British Standards Institution 2013
Renumbered and superseded by BS EN ISO 128-21.
Supersedes BS 308-1(1993), BS 308-2(1985) & BS 308-3(1990).
(01/2006)
本标准替代的旧标准
等同采用的国际标准
ISO 128-21:1997 - Identical
