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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.
In the international standard classification, Function signs and graphic symbols of process measurement and control instruments involves: .
Professional Standard - Chemical Industry, Function signs and graphic symbols of process measurement and control instruments
- HG/T 20505-2014 Functional identification and symbols for process measuring and controlling instrumentation
- 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