Function signs and graphic symbols of process measurement and control instruments
Function signs and graphic symbols of process measurement and control instruments, Total:3 items.
The international standard classification for "Function signs and graphic symbols of process measurement and control instruments" includes: .
The Chinese standard classification for "Function signs and graphic symbols of process measurement and control instruments" includes: .
Professional Standard - Chemical Industry
- HG/T 20505-2014 Design Code for tracing and insulation of Instrument and impulse line
- HG/T 20505-2000 Functional identification and symbols for process measuring and controlling instrumentation
- HG/T 20505-2000（条文说明） Function signs and graphic symbols of process measurement and control instruments
