YD/T 841.1-2008.Plastic Pipe for Buried Communication Conduit Part 1:General.1范围...

行业标准2023.08.03

YD/T 841.2-2008.Plastic Pipe for Buried Communication Conduit Part 2:Solid-Wall...

行业标准2023.08.03

YD/T 841.3-2008.Plastic Pipe for Buried Communication Conduit Part 3:Double-Wall...

行业标准2023.08.03

YD/T 944-1998.1范围YD/T 944规定了与电力网相接的通信电源设备(包括通信局(站)内低压变配电设备、通信用交流稳压器、通信用交流配电设备、通信...

行业标准2023.08.03

YD/T 975-1998.Requirements on measuring equipment to assess error perfomance on...

行业标准2023.08.03

YD/T 979-2009.Specifications and Test Methods for Optical Fiber Ribbon.1范围YD/T 9...

行业标准2023.08.03

YD/T 978-1998.Technical requirment and test method for digital queue equipment o...

行业标准2023.08.03

YD/T 980-2002.All Dielectric Self-Supporting Optical Fiber Cable.1范围YD/T 980规定了全...

行业标准2023.08.03

YD/T 925-2009.Optical Fibre Cable Terminal Case.1范围YD/T 925规定了光缆终端盒的分类和命名、要求、试验方...

行业标准2023.08.03

YD/T 926.1-2009.Telecommunication Generic Cabling System for Building Part 1: Ge...

行业标准2023.08.03