China National Standards

China Test specification CSMS Industry Standards English PDF List

  •  China "Test specification CSMS" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    YD/T 2536-2013 Test specification of CSMS of number portability
    网间号码携带集中业务管理系统测试方法    		 China Telecommunication Standards
    Test specification CSMS
    English PDF

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