YD 5083-1999.Interim Provisions for Test of Anti-seismic Performances of Telecom...

行业标准2023.08.04

YD 5081-1999.Technical Specifications of Digital Cross-Connection (DXC) Equipmen...

行业标准2023.08.04

YD 5080-1999.Design Standards on Network Management System of SDH Optical Fiber...

行业标准2023.08.04

YD 5101-2003.Interim Provisions for Test of Anti-seismic Performances of 800 MHz...

行业标准2023.08.04

YD 5102-2003.Specifications of Enginering Design for Line of Long haul Optical F...

行业标准2023.08.04

YD 5103-2003.TechniCal SpecifiCation for Construction and Acceptance of TeleComm...

行业标准2023.08.04

YD 5104-2003.Specifications on Engineering Design for 900/1800MHz TDMA Digital C...

行业标准2023.08.04

YD 5124-2005.Provisional Supervision Speeification of Generic Cabling Systen Eng...

行业标准2023.08.04

YD 5084-2005.Specification for Seismic Test of Switching Equipment.1总则1.0.1 为贯彻执...

行业标准2023.08.04

YD 5086-2005.Specification of Equipment Installation Engineering for Mobile Comm...

行业标准2023.08.04