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小型无线系统的防雷与接地技术要求
Technical specification for lightning protection and earthing of miniature wireless telecommunication systems
参考页数:26P.;A4
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通信铁塔邻近区域的防雷技术要求
Technical Requirements for protection of neighborhood of telecommunication towers against lightning
参考页数:18P.;A4
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基站供电变压器系统的防雷与接地技术要求
Technical requirements for lightning protection and grounding of base station power supply transformer system
参考页数:21P.;A4
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接入到电信网的监控系统防雷技术要求和测试方法
Technical requirements and test methods of overvoltages and overcurrents resistibility for surveillance system access to the telecommunications network
参考页数:22P.;A4
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通信用风/光供电系统防雷技术条件
Lightning protection requirements for Wind/PV hybrid power supply system for telecommunications
参考页数:18P.;A4
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无绳电话机节能参数和测试方法
Measurement methods and parameters for energy saving in cordless
参考页数:10P.;A4
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高压输电系统对通信设施危险影响防护技术要求
Technical reqiurement for the protection of telecommunication facilities against danger effects from high-voltage transmission system
参考页数:21P.;A4
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IP电话接入设备互通技术要求和测试方法 H.323协议
Interoperability Specification and test measurement for H.323 based VoIP accessing equipment
参考页数:107P.;A4
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IP电话接入设备互通技术要求和测试方法 媒体网关控制协议(MGCP)
Interoperability Specification and Test Mesurement for VoIP Accessing Equipment based on MGCP
参考页数:108P.;A4
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IP电话接入设备互通技术要求和测试方法 H.248协议
Interoperability Specification and Test Measurement for VoIP Accessing Equipment Based H.248
参考页数:132P.;A4
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