YD/T 5076-2005 固定电话交换设备安装工程设计规范
YD/T 5076-2005.Design Specifications for PSTN Exchange Installation Engineering....
行业标准2023.07.31
YD/T 5076-2005.Design Specifications for PSTN Exchange Installation Engineering....
行业标准2023.07.31
YD/T 5077-2005.Accepting Specification for PSTN Exchange Installation Engineerin...
行业标准2023.07.31
YD/T 5032-2005.Code for Design of Videoconference System Engineering.1总则1.0.1为了适...
行业标准2023.07.31
YD/T 5037-2005.Specification of Engineering Design for Internet.1总则1.0.1为了使公用计算机...
行业标准2023.07.31
YD/T 5033-2005.Acceptance Specifications of Videoconference System Engineering.1...
行业标准2023.07.31
YD/T 5036-2005.Specifications of Engineering Desingn for Fixed Intelligent Netwo...
行业标准2023.07.31
YD/T 1745-2009.Security protection testing requirements for transport network.1范...
行业标准2023.07.31
YD/T 1840-2009.Technical Specification for 2GHz TD-SCDMA Digital Cellular Mobile...
行业标准2023.07.31
YD/T 1842-2009.Test Method for User Equipment HSUPA Protocol Conformance of 2GHz...
行业标准2023.07.31
YD/T 1844-2009.Technical Requirement and Test Method of WCDMA/GSM(GPRS) Dual Mod...
行业标准2023.07.31