China National Standards

China design subscriber access Industry Standards English PDF List

  •  China "design subscriber access" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    TB 10073-2000 Code for design of subscriber access network of railway communication
    铁路通信用户接入网设计规范(附条文说明)    		 China Railway & Train Standards
    design subscriber access
    English PDF

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