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YD/T 1369.1-20062GHz TD-SCDMA数字蜂窝移动通信网Iub接口技术要求.第一部分：总则Technical requirements for Iub in...2022-06-13

YD/T 1115.2-2001通信电缆光缆用阻水材料.第二部分：阻水纱Waterblocking materials for telecommunication cable and...2022-06-12

GB/T 15124-1994信息处理系统数据通信多链路规程Information processing system－Data communication－Multilink pr...2022-06-10

YD/T 2014-2009统一通信业务需求Requirements of Unified Communications Services2022-06-10

YD/T 1973.3-2009800MHz/2GHz cdma2000数字蜂窝移动通信网多媒体域(MMD)系统设备测试方法第3部分:互通类设备800MH...2022-06-10

YD/T 1427-2005900/1800MHz TDMA数字蜂窝移动通信网智能外设(IP)设备技术要求(CAMEL3)Technical requirements for d...2022-06-10

YD/T 1864-2009800MHz/2GHz cdma2000数字蜂窝移动通信网.传统终端域(LMSD)ZZ接口技术要求Technical Requirement for...2022-06-10

CECS 177-2005城市地下通信塑料管道工程施工及验收规范Code for construction and acceptance of buried telecommun...2022-06-10

YD/T 1983-2009移动通信网IMS系统接口测试方法 ISC/Ma接口Test method for ISC/Ma interface in IMS system in mobi...2022-06-10

YD/T 1028-1999800MHz CDMA 数字蜂窝移动通信系统设备总技术规范:移动台部分Technical Specification of 800MHz CDM...2022-06-10

GB/T 19897.3-2005自动抄表系统低层通信协议第3部分;面向连接的异步数据交换的物理层服务进程Automatic Meter Rea...2022-06-10

YD/T 2008-1993城市住宅区和办公楼电话通信设施设计标准Standard for design of Telecommunications facilites in c...2022-06-10

YD/T 1847.1-20092GHz TD-SCDMA数字蜂窝移动通信网.高速上行分组接入(HSUPA)Uu接口物理层技术要求.第1部分:总则Tech...2022-06-10

WS/T 544-2017医学数字影像中文封装与通信规范Medical digital imaging and communication in Chinese packaging sp...2022-06-10

YD/T 1384-2005住宅通信综合布线系统Residential telecommunications generic cabling system2022-06-10

YZ/T 0083.5-2002机要通信业务单据格式.第5部分:复单Form of service of confidential communication part 5:respon...2022-06-10

GB/Z 34066-2017控制与通信网络CIP Safety规范Control and communication network CIP Safety specification...2022-06-10

GB/T 33951-2017精密仪器仪表和电讯器材用铜合金棒线Copper alloy rod and wire for precision telecommunications ...2022-06-10

SJ 20863-2003数字车内通话器通用规范General specification for digital intercommunication set in vehicles...2022-06-09

YD/T 1153-2001微波接力通信系统抛物面天线辐射图包络的技术要求The Technical Specification of Radiation Pattern...2022-06-09

GB/T 33851-2017信息技术系统间远程通信和信息交换基于双载波的无线高速率超宽带物理层测试规范Information tec...2022-06-09

YD/T 1366-20062GHz TD-SCDMA数字蜂窝移动通信网无线接入网络设备测试方法Testing methods for RAN equipment of 2G...2022-06-09

GB/T 13543-1992数字通信设备环境试验方法Environmental test methods for digital communication equipments...2022-06-09

GB 13690-2009化学品分类和危险性公示.通则General rule for classification and hazard communication of chemical...2022-06-09

YD/T 1875-2009800MHz/2GHz cdma2000数字蜂窝移动通信网设备测试方法传统终端域(LMSD)移动交换子系统Test Specific...2022-06-09

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