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[GB 7330-1987] 交流电力系统线路阻波器[已作废]
发布时间:1987-10-01
实施时间:1987-10-01
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[YD 332-1987] 架空明线超12路载波系统及设备技术要求[已作废]
发布时间:1987-07-01
实施时间:1987-07-01
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[YD 331-1987] 中同轴综合通信电缆配套12路载波通信设备通用技术要求[现行]
发布时间:1987-01-07
实施时间:1987-07-01
适用范围:本标准适用于在四管中同轴综合电缆高频四芯组(0.9mm线径)或八管中同轴综合电缆高频线对(..
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[GB/T 6555-1986] 明线3路载波电话设备技术要求[已作废]
发布时间:1986-09-02
实施时间:1987-07-01
本标准适用于线路传输频谱为4~16、18~30kHz的双频带二线制明线3路载波电话终端设备和增音设备..
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[YDJ 5-1985] 长途通信载波电话设备安装设计规范[现行]
发布时间:1986-06-01
实施时间:1986-06-01
有4个附录;1个附件;编制说明
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[GB/T 5445-1985] 明线高频12路晶体管载波电话设备技术要求[已作废]
发布时间:1985-10-17
实施时间:1986-06-01
本标准适用于线径为35.~4.0mm铜线或传输特性与其相似的有色金属线上使用的双频带二线制高12路晶..
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[GB/T 5446-1985] 明线12路晶体管载波电话设备技术要求[已作废]
发布时间:1985-10-17
实施时间:1986-06-01
本标准适用于线径为2.5~4.0mm的铜线或传输特性与其相似的有色金属线上使用的双频带二线制明线12..
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[GB/T 4770.1-1984] 明线三路载波电话设备主要性能的测试方法[已作废]
发布时间:1984-11-28
实施时间:1985-10-01
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[GB/T 4770.2-1984] 明线12路载波电话设备主要性能的测试方法[已作废]
发布时间:1984-11-28
实施时间:1985-10-01
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[GB/T 4770.3-1984] 对称电缆60路载波电话设备主要性能的测试方法[已作废]
发布时间:1984-11-28
实施时间:1985-10-01
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[YDJ 35-1981] 长途通信明线载波电话设备安装工程施工及验收技术规范[现行]
发布时间:1981-12-30
实施时间:1982-07-01
范围:本规范是明线载波电话设备安装工程中施工质量检查、随工检验和竣工验收等工作的技术依据,适用于新建..
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