China National Standards

China Graphical symbols drilling Industry Standards English PDF List

  •  China "Graphical symbols drilling" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SY/T 5373-2020 Graphical symbols for drilling downhole tools and operations {译}
    钻井井下工具与作业用图形符号    		 China Oil & Gas Industry Standards
    Graphical symbols drilling
    English PDF

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