标准摘要
[中文适用范围]： 按照本文件提供的规则应用流体动力系统（包括液压和气动元件）的图形符号和电路图。 [外文原描述]： ISO 1219-3:2016 supplements ISO 1219-1 and ISO 1219-2 by specifying rules for the generation and combination of symbols of connectable components in circuit diagrams. Using these symbols, the design envelope and piping can be reduced.
英文名称Fluid power systems and components — Graphical symbols and circuit diagrams — Part 3: Symbol modules and connected symbols in circuit diagrams