China National Standards

China Beaer Industry Standards English PDF List

  •  China "Beaer" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    YD/T 1309-2004 Beaer independent call bearer control specification
    与承载无关的呼叫承载控制规范    		 China Telecommunication Standards
    Beaer
    English PDF

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