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中国国家标准名称5 ... 电视和声音信号的电缆分配系统设备与部件 第11部分: 衰减器、均衡器、滤波器和陷波器通用规范 Equipments and components used in cabled distribution systems primarily intended for television and sound signals--Part 11: Generic specifications for attenuator, equalizer, filter and trap 电视和声音信号的电缆分配系统设备与部件 第12部分: 系统输出口通用规范 Equipments and components used in cabled distribution systems primarily intended for television and sound signals--Part 12: Generic specifications for system outlets 电视和声音信号的电缆分配系统设备与部件 第13部分: 接收机变换器通用规范 Equipments and components used in cabled distribution systems primarily intended for television and sound signals--Part 13: Generic specifications for set top converter ...