YD 5206-2014 宽带光纤接人工程设计规范
YD 5206-2014.Design Specification for Broadband Optical Fiber Access Engineering...
行业标准2023.08.09
YD 5206-2014.Design Specification for Broadband Optical Fiber Access Engineering...
行业标准2023.08.09
YD 5219-2015.Provisional Supervision Specifications for Lightning Protection and...
行业标准2023.08.08
YD 5158-2015.Design Specifications for Mobile Multimedia Messaging Service Cente...
行业标准2023.08.08
YD 5133-2015.Supervision Speeifications for Mobilc Communication Stcel Tower and...
行业标准2023.08.08
YD 5091.1-2015.Specification for Seismic Test of Transmission Equipment Part 1:...
行业标准2023.08.08
YD 5084.3-2015.Specification for Seismic Test of Switching Equipment Part 3: Mob...
行业标准2023.08.08
YD 5076-2014.Designing Specifications for PSTN Engineering.1总则1.0.1YD 5076适用于同一电...
行业标准2023.08.07
YD 5193-2014.Design Specifications for Internet Data Center Engineering.1总则1.0.1...
行业标准2023.08.07
YD 5100.2-2014.Specification for Seismic Test of Mobile Telecommunication Base S...
行业标准2023.08.07
YD 5084.2-2014.Specification for Seisrmic Test of Switching Equipment Part 2 IP...
行业标准2023.08.07