GB/T 16901.2-2013 技术文件用图形符号表示规则 第2部分:图形符号(包括基准符号库中的图形符号)的计算机电子文件格式规范及其交换要求 Rules for design of graphical symbols for use in the technical documentation—Part 2:Specification for graphical symbols in a computer sensible form,including graphical symbols for a reference library,and requirements for their interchange
Rules for design of graphical symbols for use in the technical documentation—Part 2:Specification for graphical symbols in a computer sensible form,including graphical symbols for a reference library,and requirements for their interchange