YD 1139-2001.Requirement and measurement methods of electromagnetic compatibilit...

行业标准2023.08.04

YD 2001-1992.第一章总则第1.0.1条本规范是市内通信全塑电缆线路工程施工质量检查随工验收和竣工验收的技术依据,适应于新建、扩建和改建工程。第1.0...

行业标准2023.08.04

YD 2003-1992.第一章总则第1.0.1条为贯彻执行地震工作以预防为主的方针,在通信设备符合抗震标准的条件下,通信设备安装的铁架及加固点,经抗震设防后,...

行业标准2023.08.04

YD 2004-1992.第一章总则第1.1条本规范适 用于新建长途通信干线数字传输设备工程设计,包括长途通信干线光缆数字传输工程和长途通信干线数字微波传输工程...

行业标准2023.08.04

YD 5032-1997.Code for Design of Videoconference System Engineering.1总则1.0.1为了适应经...

行业标准2023.08.04

YD 5028-1996.Temporary Regulations of Engineering Design for Very Small Earth St...

行业标准2023.08.04

YD 5033-1997.Code for Acceptance of Videoconference System Engineering.1总则1.0.1Y...

行业标准2023.08.04

YD 5060-1998.Drawings for Designing Anti-seismic Installation of Communication E...

行业标准2023.08.04

YD 5040-1997.Design Standard for Telecommunications Power Supply Equipment Insta...

行业标准2023.08.04

YD 5050-2005.Specifications of Engineering Design for the Domestic Satellite Com...

行业标准2023.08.04