YD/T 1000-1999.Performance for data networks providing international frame relay...

行业标准2023.08.03

YD/T 1001-1999.Characteristics of a non- zero dispersion shifted single-mode opt...

行业标准2023.08.03

YD/T 1881-2009.The Technical Requirement of Protocal between Different Operator'...

行业标准2023.08.03

YD/T 995-1998.Data protocols for multimedia conferencing.1范围YD/T 995包含了一整套标准,它们并...

行业标准2023.08.03

YD/T 998.1-1999.Lithium-ion Battery and charger for cellular phones -  Lithium-i...

行业标准2023.08.03

YD/T 981.1-2009.Optical Fiber Ribbon Cables for Access Network Part 1: Slotted C...

行业标准2023.08.03

YD/T 990-1998.Technical condition for specific optical transmissio equiprnent be...

行业标准2023.08.03

YD/T 992-1998.Technical requirments and test methods of telephone additional fun...

行业标准2023.08.03

YD/T 993-1998.Technical requirements and test methods of lightning resistibility...

行业标准2023.08.03

YD/T 981.2-2009.Optical Fiber Ribbon Cables for Access Network Part 2: Central L...

行业标准2023.08.03