Industrial process measurement control functions and instrumentation; Symbolic representation; Part 4 : Basic symbols for process computer, interface, and shared display/control functions— 12 стр.
Process measurement control functions and instrumentation; Symbolic representation; Part 3 : Detailed symbols for instrument interconnection diagrams— 21 стр.
Fluid power systems and components -- Graphical symbols and circuit diagrams -- Part 3: Symbol modules and connected symbols in circuit diagrams— 32 стр.