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载波系统通路变频级基本技术要求
Specification for channel translating equipment used on carrier systems
价格:¥0.00
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载波系统基群变频级基本技术要求
Specification for group translating equipment used on carrier systems
价格:¥0.00
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农缆12路晶体管载波电话设备技术要求
价格:¥0.00
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标准2.6/9.5mm同轴线对上22MHz(4380路)载波通信系统总技术要求
价格:¥0.00
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单边带电力线载波机输入输出特性指标的推荐值
价格:¥0.00
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ZDD-5型系列电力线载波机技术条件
Dual-trace oscilloscope for Type SR8
价格:¥0.00
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农电网单边带电子线载波机技术条件
Specification of single sideband power line carrier termenals for power supply networks in rural area
价格:¥0.00
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