China National Standards

China Differentiated security service Industry Standards English PDF List

  •  China "Differentiated security service" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    YD/T 2037-2009 Differentiated security service for mobile communication
    移动通信差异化安全服务    		 China Telecommunication Standards
    Differentiated security service
    English PDF

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