China National Standards

China Openings Industry Standards English PDF List

  •  China "Openings" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    NB/T 20596-2021 Criteria for Radiation Protection Closure of Wall Openings in the Control Zone of PWR Nuclear Power Plant {译}
    压水堆核电厂控制区墙体孔洞辐射防护封堵准则    		 China Energy Industry Standards
    Openings
    English PDF

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