YD/T 5151-2007.Design Specification of Optical Fiber Cable in the Leading in Roo...

行业标准2023.08.04

YD/T 5144-2007.Provisional Specifications of Engineering Design for Automaticall...

行业标准2023.08.04

YD/T 5138-2005.Acceptance Specifications for Local Communication Line Project.1总...

行业标准2023.08.04

YD/T 2028-2009.General technical specification for keyword-based internet addres...

行业标准2023.08.04

YD/T 2027-2009.A QoS control architecture for ethernet-based IP access networks....

行业标准2023.08.04

YD/T 2010-2009.Technical requirements of services based on the unified IMS multi...

行业标准2023.08.04

YD/T 2011-2009.Technical Requirements of Services based on the Unified IMSCall W...

行业标准2023.08.04

YD/T 2009-2009.Technical requirement of services based on the unified IMS custom...

行业标准2023.08.04

YD/T 2029-2009.Softwire based mesh framework for internet IPv6 transition.1范围YD/...

行业标准2023.08.04

YD/T 2030-2009.General technical specification for Chinese internet email addres...

行业标准2023.08.04