图形符号表示规则 标志用图形符号 第1部分:图形标志的形成
Rules for thepresentation of graphical symbols--Graphical symbols for use on graphical signs--Part 1:Creation of graphical signs
标准状态
发布于:1997-06-27
实施于:1997-12-01
已废止
Rules for thepresentation of graphical symbols--Graphical symbols for use on graphical signs--Part 1:Creation of graphical signs