YD/T 1966-2009.50 Radio-Frequency Coaxial Jumpers for Mobile Communication.1范围YD...

行业标准2023.08.04

YD/T 1961-2009.Technical Requirements for SDH-based Multi-service Transport Plat...

行业标准2023.08.04

YD/T 1962-2009.Software Technical Requirements for 10Gbit/s and 40Gbit/s Transpo...

行业标准2023.08.04

YD/T 1970.4-2009.Maintenance Requirements of Power Supply for Telecommunication...

行业标准2023.08.04

YD/T 1970.3-2010.Maintenance requirements of power supply for telecommunication...

行业标准2023.08.04

YD/T 1970.2-2010.Maintenance Requirements of Power Supply for Telecommunication...

行业标准2023.08.04

YD/T 1969-2009.Intelligent Energy Saving System by Fresh Air for Telecommunicati...

行业标准2023.08.03

YD/T 1970.1-2009.Maintenance Requirements of Power Supply for Telecommunication...

行业标准2023.08.03

YD/T 1938.1-2009.Test method for Session Initiation Protocol(SIP) Part 1: Basic...

行业标准2023.08.03

YD/T 1935-2009.Testing Methods for IMS based Group Management Service(Phase 1).1...

行业标准2023.08.03