Fluid power systems and components - Graphical symbols and circuit diagrams - Part 3: Symbol modules and connected symbols in circuit diagrams (ISO 1219-3:2016); Text in German, English and French
流体动力系统和部件.图形符号和电路图.第3部分:电路图中的符号模块和连接符号(ISO 1219-3-2016);德语、英语和法语文本