China National Standards

China Functional identification symbols Industry Standards English PDF List

  •  China "Functional identification symbols" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    HG/T 20505-2014 Functional identification and symbols for process measuring and controlling instrumentation
    过程测量与控制仪表的功能标志及图形符号    		 China Chemical Industry Standards
    Functional identification symbols
    English PDF

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