标志用图形符号表示规则 第2部分:公共信息图形符号的通用符号要素
Rules for the presentation of graphical symbols for use on signs—Part 2: General symbol elements for public information graphical symbols
2023-08-06
GB/T 16900.4-2020
图形符号表示规则 第4部分:对象相关性测试方法
Rules for the presentation of graphical symbols—Part 4: Methods for testing symbol referent association
2020-03-31
GB/T 16903.3-2013
标志用图形符号表示规则 第3部分:感知性测试方法
Rules for the presentation of graphical symbols for use on graphical signs - Part 3: Method for testing perceptibility
2013-07-19
GB/T 16902.2-2008
设备用图形符号表示规则 第2部分:箭头的形式和使用
Rules for the presentation of graphical symbols for use on equipment - Part 2: Form and use of arrows