YD/T 983-1998.Limits and methods of measurement of electromagnetic compatibility...

行业标准2023.08.03

YD/T 988-2007.Cross Connecting Cabinet for Communication Optical Cable.1范围YD/T 9...

行业标准2023.08.03

YD/T 981.1-1998.1范围YD/T 981.1规定了接人网用骨架式光纤带光缆的产品分类、结构、标志、交货长度、技术要求、试验方法、检验规则、包装、储...

行业标准2023.08.03

YD/T 1006-1999.A simultaneous voice plus data modem, operating at a voice plus d...

行业标准2023.08.03

YD/T 1003-1999.Measuring Methods of Electromagnetic Interference for the VSAT Ea...

行业标准2023.08.03

YD/T 1002-1999.Frame relaying bearer service interworking.1范围帧中继承载业务(FRBS)在1.233...

行业标准2023.08.03

YD/T 992-2006.Technical Requirements and Testing Methods of Telephone Additional...

行业标准2023.08.03

YD/T 1007-1999.Allocation of transmission performance objectives in access netwo...

行业标准2023.08.03

YD/T 1010-1999.General technical specifications of STM-0 microwave communication...

行业标准2023.08.03

YD/T 1014-1999.Technique criterion for STM - 64 optical line terminal equipment....

行业标准2023.08.03