China National Standards

China Intelligentized Industry Standards English PDF List

  •  China "Intelligentized" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    YD/T 1704-2007 General Technical Requirement for Intelligentized PSTN Network
    公用交换电话网(pstn)网络智能化总体技术要求    		 China Telecommunication Standards
    Intelligentized
    English PDF

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